Thema
Journal Article
7.054
Research Support, U.S. Gov't, P.H.S.
1.754
Research Support, Non-U.S. Gov't
1.508
Letter
987
Comparative Study
884
Editorial
598
Comment
567
Research Support, U.S. Gov't, Non-P.H.S.
386
Klinische Studie
266
Historical Article
222
Randomized Controlled Trial
211
Health Care and Public Health
185
Review
137
United States
115
News
112
Developed Countries
108
Population
103
Genetics and Reproduction
102
Demographic Factors
101
North America
98
Americas
97
Northern America
94
Population Dynamics
88
Empirical Approach
81
Mortality
75
2P299V784P
72
Lead
72
Biography
63
Legal Approach
63
Multicenter Study
62
Tobacco Smoke Pollution
61
Population Characteristics
59
97C5T2UQ7J
58
Cholesterol
58
Research Methodology
56
Family Planning
52
Health
52
Air Pollutants
50
Controlled Clinical Trial
48
Biomedical and Behavioral Research
46
Contraceptives, Oral
46
Dietary Fats
46
Professional Patient Relationship
46
American Public Health Association
43
Cotinine
42
K5161X06LL
42
6M3C89ZY6R
41
Cocaine
41
I5Y540LHVR
41
Nicotine
41
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