TY - GEN AU - McDuffie,H H AU - Klaassen,D J AU - Dosman,J A TI - Characteristics of patients with primary lung cancer diagnosed at age of 50 years or younger SN - 0012-3692 PY - 1990///0110 KW - Adenocarcinoma KW - etiology KW - Age Factors KW - Carcinoma, Small Cell KW - Carcinoma, Squamous Cell KW - drug therapy KW - Female KW - Humans KW - Lung Neoplasms KW - Male KW - Risk Factors KW - Sex Factors KW - Smoking KW - epidemiology N1 - Publication Type: Journal Article UR - https://doi.org/10.1378/chest.96.6.1298 ER -