Open AccessDizygotic twinning rates and the possibility that the decline in sperm counts is a cohort phenomenon
Author(s) -
William H. James
Publication year - 1998
Publication title -
international journal of epidemiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.406
H-Index - 208
eISSN - 1464-3685
pISSN - 0300-5771
DOI - 10.1093/ije/27.3.538
Subject(s) - dizygotic twins , sperm , cohort , phenomenon , medicine , cohort study , demography , psychology , obstetrics , andrology , sociology , physics , quantum mechanics
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