Incidence of Kikuyu-bursa in Nyeri District, Kenya.
D000328:Adult; D000367:Age Factors; D000368:Aged; D044383:Black People; D003560:Cysts / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007630:Kenya; D008161:Lumbosacral Region; D008875:Middle Aged; D012871:Skin Diseases / Q000453:epidemiology*; D013314:Stress, Mechanical