Advertisement
Research Article Free access | 10.1172/JCI101630
Department of Medicine, the Johns Hopkins Hospital, Baltimore
1This work was supported by a grant from the Commonwealth Fund.
Find articles by Bing, R. in: JCI | PubMed | Google Scholar
Department of Medicine, the Johns Hopkins Hospital, Baltimore
1This work was supported by a grant from the Commonwealth Fund.
Find articles by Thomas, C. in: JCI | PubMed | Google Scholar
Department of Medicine, the Johns Hopkins Hospital, Baltimore
1This work was supported by a grant from the Commonwealth Fund.
Find articles by Waples, E. in: JCI | PubMed | Google Scholar
Published July 1, 1945 - More info