T Colton. Show Affiliations »
Abstract
Mesh: See more » Clinical Trials as TopicEthics, MedicalLung Diseases, Obstructive/therapyResearch DesignRespiratory TherapySampling StudiesStatistics as Topic
Year: 1974 PMID: 4613228
Source DB: PubMed Journal: Am Rev Respir Dis ISSN: 0003-0805