Harvey Risch, MD, PhDProfessor of Epidemiology (Chronic Diseases)Research InterestsEsophageal NeoplasmsOvarian NeoplasmsPancreatic NeoplasmsPolymorphism, GeneticGonadal Steroid HormonesStomach NeoplasmsHelicobacter pyloriMolecular EpidemiologyGerm-Line MutationHost-Pathogen InteractionsView Full Profile