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6. Current possibilities for the technical examination of the fetal heart in the prenatal stage. VALENTI GV Clin Pediatr (Bologna); 1958 Feb; 40(2):191-3. PubMed ID: 13537325 [No Abstract] [Full Text] [Related]
7. A fetal heart ratemeter. CORNER GW; STRAN HM Am J Obstet Gynecol; 1957 Jan; 73(1):190-5. PubMed ID: 13381811 [No Abstract] [Full Text] [Related]
8. Studies in fetal well-being: variations in fetal heart rate. HELLMAN LM; SCHIFFER MA; KOHL SG; TOLLES WE Am J Obstet Gynecol; 1958 Nov; 76(5):998-1010; discussion 1010-2. PubMed ID: 13583046 [No Abstract] [Full Text] [Related]
9. [Report on the clinical testing of electrocardiophonography]. STEGLICH I; CHRISTL G Zentralbl Gynakol; 1958 Sep; 80(39):1529-33. PubMed ID: 13605025 [No Abstract] [Full Text] [Related]