RT Journal Article
SR Electronic
T1 Seasonality of live birth sex ratio in south western Siberia, Russia, 1959–2001
JF Journal of Epidemiology and Community Health
JO J Epidemiol Community Health
FD BMJ Publishing Group Ltd
SP 471
OP 472
DO 10.1136/jech.57.6.471
VO 57
IS 6
A1 Melnikov, V N
A1 Grech, V
YR 2003
UL http://jech.bmj.com/content/57/6/471.abstract
AB