Rao, D N Risk assessment of tobacco, alcohol and diet in oral cancer--a case-control study. [electronic resource] - International journal of cancer Aug 1994 - 469-73 p. digital Publication Type: Journal Article ISSN: 0020-7136 Standard No.: 10.1002/ijc.2910580402 doi Subjects--Topical Terms: AdultAlcohol Drinking--adverse effectsCase-Control StudiesDiet--adverse effectsEducational StatusHumansMaleMiddle AgedMouth Neoplasms--chemically inducedPlants, ToxicRetrospective StudiesRiskSmoking--adverse effectsTobacco, Smokeless--adverse effects