TY - RPRT TI - Directed-donor programs may adversely affect autologous donor participation. AU - L A Chambers AU - M S Kruskall AU - S S Drago AU - A M Ellis DO - 10.1046/j.1537-2995.1990.30390194346.x UR - https://pubmed.ncbi.nlm.nih.gov/2315997/ ID - 2315997 ER -