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10. [Correlation of fetal heart rate pattern and metabolic status during labor]. Gull I, Lessing BJ, Jaffa A, Peyser MR. Harefuah; 1986 Mar 02; 110(5):250-2. PubMed ID: 3721349 [No Abstract] [Full Text] [Related]
11. [Usefulness of electrophonocardiography during pregnancy]. Díaz y Olivares M. Ginecol Obstet Mex; 1971 Aug 02; 30(178):169-75. PubMed ID: 5569614 [No Abstract] [Full Text] [Related]