Advertisement
Research Article Free access | 10.1172/JCI102523
Section on Gerontology, National Heart Institute, National Institutes of Health, P.H.S., F.S.A., Bethesda, Md.
Baltimore City Hospitals, Baltimore, Md.
1Present address: U. S. Public Health Service Hospital, Wyman Park Drive, Baltimore 11, Maryland.
Find articles by McDonald, R. in: JCI | PubMed | Google Scholar
Section on Gerontology, National Heart Institute, National Institutes of Health, P.H.S., F.S.A., Bethesda, Md.
Baltimore City Hospitals, Baltimore, Md.
1Present address: U. S. Public Health Service Hospital, Wyman Park Drive, Baltimore 11, Maryland.
Find articles by Miller, J. in: JCI | PubMed | Google Scholar
Section on Gerontology, National Heart Institute, National Institutes of Health, P.H.S., F.S.A., Bethesda, Md.
Baltimore City Hospitals, Baltimore, Md.
1Present address: U. S. Public Health Service Hospital, Wyman Park Drive, Baltimore 11, Maryland.
Find articles by Roach, E. in: JCI | PubMed | Google Scholar
Published October 1, 1951 - More info