J Deng. Show Affiliations »
Abstract
Mesh: See more » AdultAgedChinaHumansLung Neoplasms/etiologyMiddle AgedSmokingSurveys and Questionnaires
Year: 1985 PMID: 4092521
Source DB: PubMed Journal: Zhonghua Yu Fang Yi Xue Za Zhi ISSN: 0253-9624