TY - RPRT TI - Multiphasic checkup evaluation study. 4. Preliminary cost benefit analysis for middle-aged men. AU - M F Collen AU - L G Dales AU - G D Friedman AU - C D Flagle AU - R Feldman AU - A B Siegelaub PY - 1973 DO - 10.1016/0091-7435(73)90067-4 UR - https://pubmed.ncbi.nlm.nih.gov/4723639/ ID - 4723639 ER -