TY - RPRT TI - Dollar cost per positive test for automated multiphasic screening. AU - M F Collen AU - R Feldman AU - A B Siegelaub AU - D Crawford PY - 1970 DO - 10.1056/nejm197008272830905 UR - https://pubmed.ncbi.nlm.nih.gov/5434112/ ID - 5434112 ER -