TY - RPRT TI - Self-reported data on spontaneous abortions compared with data obtained by computer linkage with the hospital registry. AU - L Z Heidam AU - J Olsen PY - 1985 DO - 10.1177/140349488501300406 UR - https://pubmed.ncbi.nlm.nih.gov/4089569/ ID - 4089569 ER -