TY - GEN AU - Richert-Boe,K E AU - Humphrey,L L TI - Screening for cancers of the lung and colon SN - 0003-9926 PY - 1993///0104 KW - Colorectal Neoplasms KW - prevention & control KW - Epidemiologic Methods KW - Humans KW - Lung Neoplasms KW - Mass Screening KW - Predictive Value of Tests KW - Randomized Controlled Trials as Topic KW - Sensitivity and Specificity N1 - Publication Type: Journal Article; Review ER -