TY - RPRT TI - Designing a data retrieval program for clinical investigation. AU - E C Atwater AU - E S Mongan AU - R F Jacox PY - 1969 DO - 10.1016/0021-9681(69)90051-4 UR - https://pubmed.ncbi.nlm.nih.gov/5786429/ ID - 5786429 ER -