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13. [Changes in fetal heart rate in the so-called supine syndrome of pregnant women]. Khadzhiev A. Akush Ginekol (Sofiia); 1973 Apr; 12(2):131-5. PubMed ID: 4760986 [No Abstract] [Full Text] [Related]
14. [Experiences with phonocardiography, capillary pulse threshold recording ultrasonics and micro-blood gas analysis for supervision of the infant before and during labor. A comparative study]. Krahe M. Med Welt; 1970 Dec 26; 51():2193-9. PubMed ID: 5534279 [No Abstract] [Full Text] [Related]
16. Monitoring of the high risk pregnancy. II. Intrapartum. Thompson JP. J Med Soc N J; 1974 Mar 26; 71(3):185-91. PubMed ID: 4521922 [No Abstract] [Full Text] [Related]
17. Studies on fetal heart rate changes related to the conditions of fetus and newborn. Quantitative analysis of fetal cardiotachogram during labor. Kimura S. Acta Obstet Gynaecol Jpn; 1971 Apr 26; 18(2):107-15. PubMed ID: 5172801 [No Abstract] [Full Text] [Related]