{2000:03005771:29:856} O. Basso + S. Juul + J. Olsen. "Time to pregnancy as a correlate of fecundity: differential persistence in trying to become pregnant as a source of bias". International journal of epidemiology 29[=29(5)]: 856. IEA. ISSN=03005771; DOI=10.1093/ije/29.5.856. Lang=ENG.
ReMCatUnit