TY - RPRT TI - Multiple authorship: issues and recommendations. AU - J A Erlen AU - L A Siminoff AU - S M Sereika AU - L B Sutton DO - 10.1016/s8755-7223(97)80097-x UR - https://pubmed.ncbi.nlm.nih.gov/9239985/ ID - 9239985 ER -