[One case report of infrequent fourth branchial cleft fistula].
Han
Xiao-xian
XX
Chen
Yu-xuan
YX
Xiao
Jian-rui
JR
D000293:Adolescent; D001934:Branchial Region; D005402:Fistula / Q000151:congenital*; D006801:Humans; D008297:Male; D009333:Neck