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2. FETAL AND NEONATAL DEATHS
3. Glader B. Erythrocyte disorders in infancy. In: Schaffer AJ, Avery ME, eds. Diseases of the newborn. Philadelphia: WB Saunders, 1977:603-4.
4. Pritchard JA, Macdonald PC, eds. Williams obstetrics, Chapter 23. New York: Appleton, Century, Crofts, 1980:573-6.
5. Intrauterine rupture of the umbilical cord during delivery