RT Journal Article SR Electronic T1 Social and biological determinants of reproductive success in Swedish males and females born 1915–1929 JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 5 OP 5 DO 10.1136/jech.2009.096701e VO 63 IS Suppl 2 A1 A. Goodman A1 I. Koupil YR 2009 UL http://jech.bmj.com/content/63/Suppl_2/5.abstract AB