TY - RPRT TI - Workgroup #2: Screening and detection. Reference range/clinical issues of PSA. AU - C J Mettlin AU - B Black AU - F Lee AU - P J Littrup AU - A DuPont AU - R Babaian PY - 1993 DO - 10.1002/1097-0142(19930415)71:8<2679::aid-cncr2820710840>3.0.co;2-r UR - https://pubmed.ncbi.nlm.nih.gov/7680952/ ID - 7680952 ER -