| Literature DB >> 6049654 |
Abstract
Keywords: Abortion, Spontaneous--statistics; Birth Rate; Demographic Factors; Developed Countries; Diseases; Eastern Europe; Europe; Fertility; Fertility Measurements; Fetal Death--statistics; Hungary; Mortality; Population; Population Dynamics; Pregnancy Complications; Research Methodology; Retrospective Studies; Studies
Mesh:
Year: 1967 PMID: 6049654 DOI: 10.1159/000302750
Source DB: PubMed Journal: Gynaecologia ISSN: 0367-5513