Retrospective and prospective study of carcinoma of the esophagus, mouth, and pharynx in Puerto Rico.
D000368:Aged; D000434:Alcoholic Beverages / Q000633:toxicity; D002294:Carcinoma, Squamous Cell / Q000453:epidemiology*; D004327:Drinking Behavior; D004777:Environment; D004938:Esophageal Neoplasms / Q000453:epidemiology*; D005247:Feeding Behavior; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009062:Mouth Neoplasms / Q000453:epidemiology*; D010610:Pharyngeal Neoplasms / Q000453:epidemiology*; D011647:Puerto Rico; D012907:Smoking; D012959:Socioeconomic Factors