TY - RPRT TI - A computer-based obstetric data retrieval system. AU - J Seitchik AU - C E Gibbs AU - B A Maaskant AU - C P Clogston PY - 1979 DO - 10.1016/s0002-9378(16)32977-5 UR - https://pubmed.ncbi.nlm.nih.gov/508387/ ID - 508387 ER -