| Literature DB >> 14154100 |
Abstract
Keywords: CHINA; CONTRACEPTION; FAMILY PLANNING; HEALTH EDUCATION; STATISTICS
Mesh：
Year: 1964 PMID： 14154100 DOI： 10.1038/scientificamerican0564-29
Source DB: PubMed Journal: Sci Am ISSN： 0036-8733 Impact factor: 2.142