| Literature DB >> 7235523 |
Abstract
Keywords: Age Factors; Demographic Factors; Historical Survey; Literature Review; Menarche; Menstruation; Population; Population Characteristics; Reproduction; Socioeconomic Factors; World
Mesh:
Year: 1980 PMID: 7235523
Source DB: PubMed Journal: Ann Pediatr (Paris) ISSN: 0066-2097