Thomas, D C Statistical methods for relating several exposure factors to several diseases in case-heterogeneity studies. [electronic resource] - Statistics in medicine - 49-60 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0277-6715 Standard No.: 10.1002/sim.4780050108 doi Subjects--Topical Terms: BiometryCarcinogens, Environmental--adverse effectsEpidemiologic MethodsHumansNeoplasms--epidemiologyOccupational Diseases--epidemiologyRisk