Connective tissue disease in Nigeria with emphasis on scleroderma.
D000328:Adult; D003240:Connective Tissue Diseases / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009549:Nigeria; D012595:Scleroderma, Systemic / Q000175:diagnosis / Q000453:epidemiology*