TY - RPRT TI - A data storage and retrieval system for clinical research. AU - A Hasman AU - S C Chang AU - E J de Moel AU - A B Karim PY - 1979 DO - 10.1016/0020-7101(79)90037-0 UR - https://pubmed.ncbi.nlm.nih.gov/478686/ ID - 478686 ER -