Pathogenesis of acne.
D000152:Acne Vulgaris / Q000209:etiology*; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D012628:Dermatitis, Seborrheic / Q000150:complications; D005260:Female; D006801:Humans; D008297:Male; D011627:Puberty; D012629:Sebum / Q000378:metabolism*; D012737:Sex Factors; D014783:Viscosity