«Dr. Pincus, Developer of Birth-Control Pill, Dies». New York Times. 23 de agosto de 1967. Archivado desde el original el 17 de abril de 2001. Consultado el 3 de octubre de 2009. «Dr. Gregory Goodwin Pincus, one of the three "fathers" of the birth-control pill, died here tonight at Peter Bent Brigham Hospital of myeloid metaplasia, a rare blood disease. He was 64 years old and lived in Northboro.»
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«Dr. Pincus, Developer of Birth-Control Pill, Dies». New York Times. 23 de agosto de 1967. Archivado desde el original el 17 de abril de 2001. Consultado el 3 de octubre de 2009. «Dr. Gregory Goodwin Pincus, one of the three "fathers" of the birth-control pill, died here tonight at Peter Bent Brigham Hospital of myeloid metaplasia, a rare blood disease. He was 64 years old and lived in Northboro.»
