BILLINGHAM, R E TRANSPLANTATION IMMUNITY AND THE MATERNAL-FETAL RELATIONSHIP. [electronic resource] - Transactions & studies of the College of Physicians of Philadelphia Jan 1964 - 187-203 p. digital Publication Type: Journal Article; Review ISSN: 0010-1087 Subjects--Topical Terms: Allergy and ImmunologyFemaleFetusHumansImmunityMaternal-Fetal ExchangePregnancyTransplantation