["Color-guided" intraoperative visualization of complex anal fistulas: a new possibility for the proctologic surgeon].
Gaj
Fabio
F
Trecca
Antonello
A
D013505:Digestive System Surgical Procedures / Q000379:methods*; D006801:Humans; D006861:Hydrogen Peroxide; D007432:Intraoperative Period; D008751:Methylene Blue; D012003:Rectal Fistula / Q000473:pathology* / Q000601:surgery*
D006861:Hydrogen Peroxide; D008751:Methylene Blue