| Literature DB >> 13250227 |
Abstract
Entities:
Keywords: ANEMIA/in pregnancy; PREGNANCY/complications; VITAMIN B12/therapeutic use
Mesh:
Substances:
Year: 1955 PMID: 13250227 PMCID: PMC1981056 DOI: 10.1136/bmj.2.4943.819
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447