| Literature DB >> 4127544 |
Abstract
Entities:
Keywords: Age Factors; Biology; Birth Weight--statistics; Body Weight; Control Groups; Delivery--statistics; Endocrine System; Parity; Physiology; Population Characteristics; Pregnancy; Pregnancy Outcomes; Prostaglandins; Reproduction; Research Methodology; Retrospective Studies; Studies; Surveys
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Year: 1973 PMID: 4127544 DOI: 10.1016/s0140-6736(73)92934-6
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321