[Morbidity among apprentices with special reference to respiratory tract diseases, in relation to incidence, diagnosis and duration of disease during 9-years].
作者信息
Kersten E, Ulrich H
出版信息
Z Arztl Fortbild (Jena). 1976 Jan 1;70(1):43-8.
PMID:969593
Abstract
摘要
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