A SMITH. Show Affiliations »
Abstract
Keywords: FETUS/diseases; RESPIRATORY TRACT/diseases
Mesh: See more » DiseaseFetal DiseasesFetusHumansRespiratory SystemRespiratory Tract Diseases
Year: 1959 PMID: 13618638 PMCID: PMC1992480 DOI: 10.1136/bmj.1.5118.344
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447