A prospective multi-institutional study of antepartum fetal heart rate monitoring. I. Risk of perinatal mortality and morbidity according to antepartum fetal heart rate test results.
作者信息
Freeman R K, Anderson G, Dorchester W
出版信息
Am J Obstet Gynecol. 1982 Aug 1;143(7):771-7. doi: 10.1016/0002-9378(82)90008-4.