Extramural Research
Bibliometrics
Grantee Research Project Results
EPA REPORT - DRAFT
January 5, 2006
This is a bibliometric analysis of a collection of 388 EPA-EDC papers. For this report, 283 papers were reviewed. The data breakdown from the 388 citations provided by EPA is as follows:
- 283 successful citation results
- 67 records omitted for the following conditions:
- 12 duplicates
- 20 book records. Thomson indexes primarily journals.
- 4 journals not indexed by Thomson
- 21 records where there was no article for the author, journal, or title listed by EPA
- 10 records with a status of “In press” or “In review”. No published citation found
The remaining citations will be double checked for inclusion in the final report.
The analysis was completed using the Thomson Essential Science Indicators (ESI) and Journal Citation Report (JCR) as benchmarks. The following is a summary of the EPA-EDC papers compared to ESI and JCR.
ESI and Highly Cited Publications
The papers reviewed covered the following ESI fields:
Citations |
Field |
EPA Papers |
Avg Cites/ Paper |
1055 |
Environment/Ecology |
74 |
14.26 |
991 |
Pharmacology & Toxicology |
62 |
15.98 |
454 |
Clinical Medicine |
39 |
11.64 |
389 |
Biology & Biochemistry |
41 |
9.49 |
270 |
Plant & Animal Science |
32 |
8.44 |
255 |
Multidisciplinary |
5 |
51 |
51 |
Chemistry |
15 |
3.4 |
41 |
Neuroscience & Behavior |
10 |
4.1 |
10 |
Computer Science |
1 |
10 |
8 |
Aquatic Sciences |
1 |
8 |
4 |
Molecular Biology & Genetics |
1 |
4 |
3 |
Agricultural Sciences |
2 |
1.5 |
Of these, EPA appeared in the top 1% in 4 fields. The following table show the number of EPA papers in those 4 fields that met the top 1% threshold in ESI.
Citations |
Field |
Papers |
Avg Cites/Paper |
% of EPA papers in field |
485 |
Environment/Ecology |
5 |
97.00 |
6.7 |
215 |
Pharmacology & Toxicology |
3 |
71.67 |
4.8 |
92 |
Multidisciplinary |
2 |
46.00 |
40 |
49 |
Plant & Animal Science |
1 |
49.00 |
3.13 |
Below are the papers that appeared in the top 1% of ESI:
Field: Environmental/Ecology
Cites |
Expected Citation Rate |
Authors (1st) |
Journal |
Vol |
Pgs |
Yr |
Doc Type |
Article Title |
198 |
18.02 |
FOLMAR, LC |
ENVIRON HEALTH PERSP |
104 |
1096-1101 |
1996 |
article |
VITELLOGENIN INDUCTION AND REDUCED SERUM TESTOSTERONE CONCENTRATIONS IN FERAL MALE CARP (CYPRINUS CARPIO) CAPTURED NEAR A MAJOR METROPOLITAN SEWAGE TREATMENT PLANT |
122 |
18.02 |
ARNOLD, SF |
ENVIRON HEALTH PERSP |
104 |
544-548 |
1996 |
article |
A YEAST ESTROGEN SCREEN FOR EXAMINING THE RELATIVE EXPOSURE OF CELLS TO NATURAL AND XENOESTROGENS |
93 |
20.53 |
VONIER, PM |
ENVIRON HEALTH PERSP |
104 |
1318-1322 |
1996 |
article |
INTERACTION OF ENVIRONMENTAL CHEMICALS WITH THE ESTROGEN AND PROGESTERONE RECEPTORS FROM THE OVIDUCT OF THE AMERICAN ALLIGATOR |
39 |
5.88 |
ANKLEY, GT |
ENVIRON TOXICOL CHEM |
20 |
1276-1290 |
2001 |
article |
DESCRIPTION AND EVALUATION OF A SHORT-TERM REPRODUCTION TEST WITH THE FATHEAD MINNOW (PIMEPHALES PROMELAS) |
33 |
5.88 |
JENKINS, R |
ENVIRON TOXICOL CHEM |
20 |
1325-1331 |
2001 |
article |
IDENTIFICATION OF ANDROSTENEDIONE IN A RIVER CONTAINING PAPER MILL EFFLUENT |
Field: Pharmacology & Toxicology
Cites |
Expected Citation Rate |
Authors (1st) |
Journal |
Vol |
Pgs |
Yr |
Doc Type |
Article Title |
99 |
10.42 |
LAWS, SC |
TOXICOL SCI |
54 |
154-167 |
2000 |
article |
ESTROGENIC ACTIVITY OF OCTYLPHENOL, NONYLPHENOL, BISPHENOL A AND METHOXYCHLOR IN RATS |
58 |
7.32 |
GRAY, LE |
TOXICOL SCI |
58 |
350-365 |
2000 |
article |
PERINATAL EXPOSURE TO THE PHTHALATES DEHP, BBP, AND DINP,BUT NOT DEP, DMP, OR DOTP, ALTERS SEXUAL DIFFERENTIATION OF THE MALE RAT |
58 |
7.32 |
PARKS, LG |
TOXICOL SCI |
58 |
339-349 |
2000 |
article |
THE PLASTICIZER DIETHYLHEXYL PHTHALATE INDUCES MALFORMATIONS BY DECREASING FETAL TESTOSTERONE SYNTHESIS DURING SEXUAL DIFFERENTIATION IN THE MALE RAT |
Field: Multidisciplinary
Cites |
Expected Citation Rate |
Authors (1st) |
Journal |
Vol |
Pgs |
Yr |
Doc Type |
Article Title |
47 |
4.54 |
ZHU, Y |
P NATL ACAD SCI USA |
100 |
2231-2236 |
2003 |
article |
CLONING, EXPRESSION, AND CHARACTERIZATION OF A MEMBRANE PROGESTIN RECEPTOR AND EVIDENCE IT IS AN INTERMEDIARY IN MEIOTIC MATURATION OF FISH OOCYTES |
45 |
4.54 |
ZHU, Y |
P NATL ACAD SCI USA |
100 |
2237-2242 |
2003 |
article |
IDENTIFICATION, CLASSIFICATION, AND PARTIAL CHARACTERIZATION OF GENES IN HUMANS AND OTHER VERTEBRATES HOMOLOGOUS TO A FISH MEMBRANE PROGESTIN RECEPTOR |
Field: Plant & Animal Science
Cites |
Expected Citation Rate |
Authors (1st) |
Journal |
Vol |
Pgs |
Yr |
Doc Type |
Article Title |
49 |
8.17 |
FOLMAR, LC |
AQUAT TOXICOL |
49 |
77-88 |
2000 |
article |
COMPARATIVE ESTROGENICITY OF ESTRADIOL, ETHYNYL ESTRADIOL AND DIETHYLSTILBESTROL IN AN IN VIVO, MALE SHEEPSHEAD MINNOW (CYPRINODON VARIEGATUS), VITELLOGENIN BIOASSAY |
There were no papers that appeared in the “Hot Papers” designation.
Average Citation Rate by Year and Field
The average citation rate is the average, by field and by year, of all EPA and ESI papers. There were a total of 53 field and year combinations and, in 32 instances, EPA papers exceeded the ESI average citations. EPA published over the ESI average citation rates in 7 fields.
The table below indicates the number of EPA papers that exceeded ESI average for each field and year, a total of 212 papers.
Field |
Year |
Sum Of Papers |
Clinical Medicine |
All Years |
39 |
Environment/Ecology |
All Years |
74 |
Multidisciplinary |
All Years |
5 |
Pharmacology & Toxicology |
All Years |
62 |
Plant & Animal Science |
All Years |
32 |
This table provides details by year and field.
Fields |
Year |
EPA Avg Cites by Field and Year |
ESI Avg Cites by Field and Year |
Papers |
Ratio of EPA to ESI |
Biology & Biochemistry |
1999 |
37.5 |
15.75 |
2 |
2.380952 |
Biology & Biochemistry |
2000 |
14.5 |
13.19 |
4 |
1.099318 |
Biology & Biochemistry |
2001 |
13.143 |
9.68 |
14 |
1.357733 |
Biology & Biochemistry |
All Years |
21.71 |
12.87 |
20 |
1.686869 |
Chemistry |
2003 |
3.4 |
1.31 |
5 |
2.59542 |
Chemistry |
All Years |
3 |
1.31 |
5 |
2.59542 |
Clinical Medicine |
1997 |
20.5 |
14.1 |
2 |
1.453901 |
Clinical Medicine |
1999 |
14.56 |
10.91 |
9 |
1.334148 |
Clinical Medicine |
2000 |
17 |
8.99 |
6 |
1.89099 |
Clinical Medicine |
2001 |
16.375 |
6.63 |
8 |
2.469834 |
Clinical Medicine |
2003 |
1.75 |
1.56 |
4 |
1.121795 |
Clinical Medicine |
All Years |
10.52 |
9.93 |
39 |
1.058972 |
Environment/Ecology |
1997 |
62.5 |
10.65 |
2 |
5.868545 |
Environment/Ecology |
1998 |
29.67 |
9.88 |
3 |
3.002699 |
Environment/Ecology |
1999 |
20.67 |
8.13 |
3 |
2.542025 |
Environment/Ecology |
2000 |
11.09 |
6.68 |
11 |
1.660316 |
Environment/Ecology |
2001 |
13 |
4.48 |
14 |
2.901786 |
Environment/Ecology |
2002 |
4.28 |
2.6 |
11 |
1.643357 |
Environment/Ecology |
2003 |
2.48 |
0.89 |
17 |
2.775942 |
Environment/Ecology |
2004 |
0.56 |
0.15 |
9 |
3.703704 |
Environment/Ecology |
All Years |
26.61 |
7.14 |
74 |
3.726628 |
Multidisciplinary |
2003 |
46 |
3.41 |
2 |
13.48974 |
Multidisciplinary |
All Years |
46 |
3.97 |
5 |
11.5869 |
Pharmacology & Toxicology |
1998 |
29 |
10.86 |
2 |
2.67035 |
Pharmacology & Toxicology |
2000 |
24.53 |
8.29 |
17 |
2.958916 |
Pharmacology & Toxicology |
2001 |
21.44 |
6.25 |
16 |
3.43 |
Pharmacology & Toxicology |
2002 |
8.58 |
4.01 |
12 |
2.140482 |
Pharmacology & Toxicology |
2003 |
1.44 |
1.39 |
9 |
1.039169 |
Pharmacology & Toxicology |
All Years |
14.17 |
8.86 |
62 |
1.598847 |
Plant & Animal Science |
1999 |
14.25 |
6.21 |
4 |
2.294686 |
Plant & Animal Science |
2000 |
13.14 |
5.03 |
7 |
2.612894 |
Plant & Animal Science |
2001 |
6.75 |
3.67 |
8 |
1.839237 |
Plant & Animal Science |
2002 |
3.43 |
2.14 |
7 |
1.602136 |
Plant & Animal Science |
2003 |
1 |
0.78 |
2 |
1.282051 |
Plant & Animal Science |
2004 |
0.5 |
0.14 |
2 |
3.571429 |
Plant & Animal Science |
All Years |
6.51 |
5.8 |
32 |
1.122742 |
JCR Benchmarks
The table below indicates the number of EPA papers published in the top 10% of journals, based on the JCR Impact Factor.
EPA Papers |
Journal |
Impact Factor |
JCR Rank |
46 |
TOXICOLOGICAL SCIENCES |
3.067 |
607 |
17 |
ENVIRONMENTAL HEALTH PERSPECTIVES |
3.038 |
620 |
15 |
BIOLOGY OF REPRODUCTION |
3.646 |
408 |
10 |
ENVIRONMENTAL SCIENCE & TECHNOLOGY |
3.592 |
431 |
6 |
TOXICOLOGY AND APPLIED PHARMACOLOGY |
2.851 |
730 |
5 |
ENDOCRINOLOGY |
5.063 |
182 |
4 |
JOURNAL OF CHEMICAL INFORMATION AND COMPUTER SCIENCES |
3.078 |
602 |
3 |
AMERICAN JOURNAL OF EPIDEMIOLOGY |
4.486 |
235 |
3 |
HORMONES AND BEHAVIOR |
3.222 |
548 |
2 |
CHEMICAL RESEARCH IN TOXICOLOGY |
3.332 |
502 |
2 |
EPIDEMIOLOGY |
4.220 |
280 |
1 |
ANALYTICAL CHEMISTRY |
5.250 |
169 |
1 |
BIOINFORMATICS |
6.701 |
85 |
1 |
CANCER RESEARCH |
8.649 |
19 |
1 |
EVOLUTION & DEVELOPMENT |
3.247 |
541 |
1 |
HUMAN REPRODUCTION UPDATE |
3.731 |
380 |
1 |
JOURNAL OF CHROMATOGRAPHY A |
2.922 |
696 |
1 |
JOURNAL OF CLINICAL ENDOCRINOLOGY AND METABOLISM |
5.873 |
126 |
1 |
JOURNAL OF MOLECULAR GRAPHICS & MODELLING |
2.929 |
691 |
1 |
JOURNAL OF NEUROENDOCRINOLOGY |
3.418 |
481 |
1 |
NEUROSCIENCE |
3.601 |
428 |
1 |
NUCLEIC ACIDS RESEARCH |
6.575 |
88 |
The table below indicates the number of EPA papers published in the top 10% of journals, based on the JCR Immediacy Index.
Number of Papers |
Journal |
Immediacy Index |
Rank |
17 |
ENVIRONMENTAL HEALTH PERSPECTIVES |
0.891 |
321 |
15 |
BIOLOGY OF REPRODUCTION |
0.735 |
460 |
5 |
ENDOCRINOLOGY |
0.814 |
384 |
4 |
JOURNAL OF CHEMICAL INFORMATION AND COMPUTER SCIENCES |
0.567 |
690 |
4 |
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-PHYSICAL SCIENCES |
1.935 |
89 |
3 |
AMERICAN JOURNAL OF EPIDEMIOLOGY |
0.908 |
315 |
2 |
EPIDEMIOLOGY |
0.938 |
296 |
1 |
ANALYTICAL CHEMISTRY |
0.657 |
555 |
1 |
ARCHIVES OF BIOCHEMISTRY AND BIOPHYSICS |
0.559 |
701 |
1 |
BIOINFORMATICS |
0.736 |
459 |
1 |
CANCER RESEARCH |
0.935 |
299 |
1 |
EVOLUTION & DEVELOPMENT |
0.951 |
289 |
1 |
EXPERIMENTAL BIOLOGY AND MEDICINE |
1.789 |
100 |
1 |
JOURNAL OF CLINICAL ENDOCRINOLOGY AND METABOLISM |
0.812 |
386 |
1 |
NUCLEIC ACIDS RESEARCH |
1.370 |
148 |
Self-Cite
There are 170 self cites from a total cites of 3531. This is a 5% self-cite rate.