References
- Anderson P. A.W., Mauring A., Crenschaw C, Jr. Biophysics of the developing heart. I. The force-interval relationship. Am J Obstet Gynecol 1980; 138: 33
- Arndt J. O., Klauske J. A., Mersch F. The diameter of the intact carotid artery in man and its change with pulse pressure. Pflügers Archiv 1968; 301: 230
- Berry C. L., Germain J. Nucleic acid and scleropro-tein content of the developing human aorta. J Pathol 1972; 108: 265
- Berry C. L., Gosling R. G., Laogun A. A., Bryan E. Anomalous iliac compliance in children with a single umbilical artery. Br Heart J 1976; 38: 510
- Chiba Y., Miyake K., Hasegawa T. (1979) Quantitative analysis of fetal circulation by T-mode and pulse-dop-pler flowmeter by the guidance of real-time B-scan. Proceedings of 1st Asia Oceania Congress of Perinato-logy, Lancaster, 1979. MTP Press, Lancaster, 544
- Dawes G. S. Changes in the circulation at birth. Brit M Bull 1961; 17: 148
- Eik-Nes S. H., Marsál K., Brubakk A. O., Kristoffer-Son K., Ulstein M. Ultrasonic measurement of human fetal blood flow. J Biomed Engng 1982; 4: 28
- Eik-Nes S. H., Persson P.-H., Gröttum P. Revaluation of standards for human fetal growth. Br Med J, (in press)
- Gennser G., Lindström K., Benthin M., Dahl P., Eriksen Sindberg P., Lindell S.-E. Pulse-wave measurements using a 2-dimensional, real-time ultrasound scanner with dual phase-locked echo trackers. Proceedings of 5th Nordic Meeting on Medical and Biological Engineering. Lin-Tek Repro, LinköpingSweden 1981; Vol. 2: 376
- Gosling R. G., King D. H. Continuous wave ultrasound as an alternative and complement to X-rays in vascular examinations. Cardiovascular Applications of Ultrasound. North-Holland Publ Company, Amsterdam 1974; 271
- Greenfield J. C., Jr., Tindall G. T., Dillon M. L., Mahally M. S. Mechanics of the human common carotid artery in vivo. Circulation Res 1964; 15: 240
- Guyton A. C. Textbook of Medical Physiology. Sixth edition. WB Saunders Company, Philadelphia, London, Toronto 1981; 221
- Harkness M. L.R., Harkness R. D., McDonald D. A. The collagen and elastin content of the arterial wall in the dog. Proc Roy Soc B 1957; 146: 541
- Hokanson D. E., Mozersky D. J., Sumner D. S., Strandness D. E., Jr. A phase-locked echo tracking system for recording arterial diameter changes in vivo. J Appl Physiol 1972; 32: 728
- Kirkpatrick S. E., Covell J. W., Friedman W. F. A new technique for the continuous assessment of fetal and neonatal cardiac performance. Am J Obstet Gynecol 1973; 116: 963
- Kirkpatrick S. E., Pitlick P. T., Naliboff J., Friedman W. F. Frank-Starling relationship as an important determinant of fetal cardiac output. Am J Physiol 1976; 231: 495
- Korba L. W., Cobbold R. S.C., Cousin A. J. An ultrasonic imaging and differential measurement system for the study of fetal respiratory movements. Ultrasound Med Biol 1979; 5: 139
- Leitz K., Arndt J. O. Die Durchmesser-Druck-Beziehung des intakten Gefässgebietes der A. carotis communis von Katzen. PflUgers Arch ges Physiol 1967; 301: 50
- Marsäl K., Eik-Nes S. H., Lindblad A., Lingman G. Blood flow in the fetal descending aorta; intrinsic factors affecting fetal blood flow, i.e. fetal breathing movements and cardiac arrhythmia. Ultrasound Med Biol 1983, (in press)
- McDonald D. A. Blood Flow in Arteries. Edward Arnold, London 1974
- Meyer W. W., Lind J. Iliac arteries in children with a single umbilical artery. Arch Dis Childh 1974; 49: 671
- Organ L. W., Bernstein A., Hawrylyshyn P. A. The pre-ejection period as an antepartum indicator of fetal well-being. Am J Obstet Gynecol 1980; 137: 810
- Rudolph A. M., Heymann M. A. Cardiac output in the fetal lamb: The effects of spontaneous and induced changes of heart rate on right and left ventricular output. Am J Obstet Gynecol 1976; 124: 183
- Rushmer R. F. Pressure-circumference relations in aorta. Am J Physiol 1955; 183: 545
- Winsor T., Karpman H. The morphology of normal and abnormal pulse waves recorded plethysmogra-phically. Am J Cardiology 1959; 3: 511
- Wladimiroff S. W., McGhie J. Ultrasonic assessment of cardiovascular geometry and function in the human fetus. Br J Obstet Gynaecol 1981; 88: 870
- Zetterquist S., Bergvall U., Linde B., Pernow B. The validity of some conventional methods for the diagnosis of obliterative arterial disease in the lower limb as evaluated by arteriography. Scand J Clin Lab Invest 1971; 28: 409