title: A case of patchy alopecia areata sparing lesional greying hairs.
authors: Cheng
authors: C
authors: Tan
authors: Wen-Yuan
authors: WY
authors: Zhu
authors: Zhong Sheng
authors: ZS
authors: Min
mesh_terms: D000208:Acute Disease; D000506:Alopecia Areata / Q000175:diagnosis* / Q000188:drug therapy; D002681:China; D006200:Hair Color; D006801:Humans; D017496:Hypopigmentation / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D008914:Minoxidil / Q000627:therapeutic use; D012720:Severity of Illness Index; D017211:Treatment Failure
chemical_list: D008914:Minoxidil