REFERENCES
- Engelfried, J. J.: Role of ABO subgroups in blood transfusions. Bull. Am. Assoc. Blood Banks 9:283–287 (September) 1956. Abstracted in U.S. Navy Medical News Letter 28:5–8 (December 7) 1956.
- Davidsohn, Israel: ABO incompatibility as a cause of hemolytic disease of the newborn. Obst. & Gynec. 8:318–322 (September) 1956.