title: A study on the age, sex, site, and grade distribution of intra-oral squamous cell carcinoma in the Khartoum province.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000453:epidemiology*; D002648:Child; D004534:Egypt; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009062:Mouth Neoplasms / Q000453:epidemiology*; D012737:Sex Factors