RT Journal Article
SR Electronic
T1 The Sex Ratio of Human Births related to Maternal Age
JF British Journal of Social Medicine
JO Br J Soc Med
FD BMJ Publishing Group Ltd
SP 75
OP 85
DO 10.1136/jech.4.2.75
VO 4
IS 2
A1 C. R. Lowe
A1 Thomas McKeown
YR 1950
UL http://jech.bmj.com/content/4/2/75.abstract
AB