| Literature DB >> 6780042 |
F Knudsen, A S Olesen, T Højbjerg, J P Jørgensen, K K Nielsen.
Abstract
Entities:
Mesh:
Year: 1981 PMID: 6780042 PMCID: PMC1504124 DOI: 10.1136/bmj.282.6261.399-b
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623