Statistics
Publications
17
Citations
1.6K
H-Index
16
Active since
1981
Affiliations
Yale University(Current)
Karen Hellenbrand is an author at Yale University specializing in public health, obstetrics, and maternal health.
Publications per year
1981–2012
17
17
Association of cocaine use with sperm concentration, motility, and morphology
Michael B. Bracken, Brenda Eskenazi, Kathleen Sachse et al. · Fertility and Sterility · 1990 · 132 citations
Medicine, Obstetrics, Pharmacology +14
Heterogeneity in Assessing Self-Reports of Caffeine Exposure
Michael B. Bracken, Elizabeth W. Triche, Laura M. Grosso et al. · Epidemiology · 2002 · 107 citations
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