REFERENCES
- Bartholomew, R. A., Colvin, E. D., Grimes, W. H., jr., Fish, J. S. and Lester, W. M.: The mechanism of bleeding during pregnancy. Am. J. Obst. & Gynec. 66: 1042, 1953.
- Spanner, R.: Mütterlicher und kindlicher Kreislauf der menschlichen Placenta und seine Strombahnen. Ztschr. Anat. 105: 163, 1935.
- Earn, A. A. and Nicholson, D.: The placental circulation, maternal and fetal. Am. J. Obst. & Gynec. 63: 1, 1952.
- Ramsey, E.: Vascular adaptations of the uterus to pregnancy. Ann. New York Acad. Se. 75: 726 (January) 1959.
- Torpin, R.: Placenta circumvallata and placenta marginata. Obst. & Gynec. 6: 277–282 (September) 1955.
- Macafee, C. H. G.: Placenta praevia-a study of 174 cases. J. Obst. & Gynaec. Brit. Emp. 52: 313 (August) 1945.
- Johnson, H. W.: The conservative management of some varieties of placenta previa. Am. J. Obst. & Gynec. 50: 248, 1945.
- Bartholomew, R. A., Colvin, E. D., Grimes, W. H., jr. and Fish, J. S.: Facts pertinent to a rational concept of abruptio placentae. Am. J. Obst. & Gynec. 57: 69 (January) 1949.
- Fish, J. S., Bartholomew, R. A., Colvin, E. D., Grimes, W. H., jr., Lester, W. M. and Galloway, W. H.: Abruptio placentae. Rev. gynec. e obst. 100: 1, 1957.
- Fish, J. S., Bartholomew, R. A., Colvin, E. D., Grimes, W. H., jr., Lester, W. M. and Galloway, W. H.: Premature labor and the ruptured marginal sinus. South. M. J. 51: 11 (November) 1958.