ORAL CANCER FROM AN INTERNATIONAL POINT OF VIEW.
D006801:Humans; D007391:International Cooperation; D007971:Leukoplakia; D009062:Mouth Neoplasms; D009369:Neoplasms / Q000453:epidemiology* / Q000209:etiology*
INTERNATIONAL COOPERATION; LEUKOPLAKIA; MOUTH NEOPLASMS; NEOPLASM ETIOLOGY; NEOPLASM STATISTICS