Cancer of the colon in Nigerians and American Negroes.
D000230:Adenocarcinoma / Q000453:epidemiology*; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000694:Anal Gland Neoplasms / Q000453:epidemiology; D000818:Animals; D044383:Black People; D002294:Carcinoma, Squamous Cell / Q000453:epidemiology; D002648:Child; D003110:Colonic Neoplasms / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009549:Nigeria; D012004:Rectal Neoplasms / Q000453:epidemiology; D012737:Sex Factors; D014481:United States; D001741:Black or African American