Yokoyama, A Multiple primary esophageal and concurrent upper aerodigestive tract cancer and the aldehyde dehydrogenase-2 genotype of Japanese alcoholics. [electronic resource] - Cancer May 1996 - 1986-90 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0008-543X Standard No.: 10.1002/(SICI)1097-0142(19960515)77:10<1986::AID-CNCR4>3.0.CO;2-F doi Subjects--Topical Terms: Alcoholism--complicationsAldehyde Dehydrogenase--geneticsAldehyde Dehydrogenase, MitochondrialBase SequenceCarcinoma, Squamous Cell--etiologyEsophageal Neoplasms--etiologyGenotypeGingival Neoplasms--etiologyHumansHypopharyngeal Neoplasms--etiologyJapan--ethnologyMaleMiddle AgedMolecular Sequence DataNeoplasms, Multiple Primary--etiologyPolymerase Chain ReactionStomach Neoplasms--etiology