Denic, S Cancer by negative heterosis: breast and ovarian cancer excess in hybrids of inbred ethnic groups. [electronic resource] - Medical hypotheses 2005 - 1002-6 p. digital Publication Type: Journal Article ISSN: 0306-9877 Standard No.: 10.1016/j.mehy.2004.10.013 doi Subjects--Topical Terms: AnimalsBreast Neoplasms--ethnologyEthnicityFemaleFishesHumansHybrid VigorMiceOvarian Neoplasms--ethnologyPakistan