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홍명호 ( M. H. Hong ),홍진숙 ( J. S. Hong ),강희태 ( H. T. Kang ),박용재 ( Y. J. Park ),이학종 ( H. J. Lee ) 대한내과학회 1973 대한내과학회지 Vol.16 No.1
A clinical study was done on 823 cases of aged patients of over 60 and over among total cases of 12,563, which had been admitted and cared at National Medical Center during the period of 10 years from 1962 to 1971, and following datas have been obtained. 1