Acne keloidalis aggravated by football helmets.
Harris
H
H
D000152:Acne Vulgaris / Q000209:etiology*; D000328:Adult; D005538:Football / Q000293:injuries*; D006260:Head Protective Devices; D006801:Humans; D007627:Keloid; D008297:Male; D012536:Scalp Dermatoses / Q000209:etiology*