1. Blepharochalsis mit Strauma und Doppellippe;Ascher;Klin Monatsbl Augenheilkd,1920
2. The use of W-plasty for the correction of double lip deformity;Guerrero-Santos;Plast Reconstr Surg,1967
3. Preprosthetic oral surgery;Starshak,1971
4. Reconstructive plastic surgery;Converse,1977
5. Congenital double lip: record of a case with a note on the embryology;Calnan;Br J Plast Surg,1952