[BIOLOGICAL ASPECTS OF FERTILITY].
D000293:Adolescent; D000349:Africa; D003710:Demography; D005060:Europe; D005190:Family; D005298:Fertility; D006801:Humans; D007246:Infertility; D008428:Maternal Mortality; D006113:United Kingdom
ADOLESCENCE; AFRICA; DEMOGRAPHY; EUROPE; FAMILY; FERTILITY; GREAT BRITAIN; MATERNAL MORTALITY; STERILITY
ASPECTS BIOLOGIQUES DE LA F'ECONDIT'E.