1. Reconstruction of columella, membranous septum, and upper lip in a single stage operation 
Hayati Akbaş, Mustafa Keskin, Ethem Güneren, Lütfi Eroğlu, Ahmet Demir 
British Journal of Plastic Surgery 
Volume 56, Issue 3, Pages (April 2003)
DOI: /S (03)

2. Figure 1
(A) Design of the bilateral cheek advancement flaps with perialar-rectangular prolongations. (B) After setting the flaps in place. Medial sides of the perialar-rectangular prolongations (a–b and a′–b′) form the columella and lateral sides (c–d and c′–d′) forms the membranous septum.
British Journal of Plastic Surgery  , DOI: ( /S (03) )

3. Figure 2 Final results one year after reconstruction. Worm's eye view.
British Journal of Plastic Surgery  , DOI: ( /S (03) )