| Literature DB >> 9742992 |
Abstract
Entities:
Keywords: Age Factors; Birth Rate--changes; Demographic Factors; Developed Countries; Europe; Fertility; Fertility Decline--determinants; Fertility Determinants; Fertility Measurements; Maternal Age--changes; Mediterranean Countries; Parental Age; Population; Population Characteristics; Population Dynamics; Southern Europe; Spain
Mesh:
Year: 1998 PMID: 9742992 DOI: 10.1016/s0140-6736(05)60019-0
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321