4ASSUNCAO A G, FERREIRA L M, MONDELLI R L. Bilateral cleft lip and whistling deformity: The x flap procedure for its correction. Plast Reconstr Surg, 2006,117(6) :1986-1991.
5宋儒耀.美容整形外科.3版.北京:北京出版社,2002:5.
6MILLARD D R JR. Unilateral cleft lip deformity. Philadelphia: WB Saunders company, 1990 : 2627-2640.