[Treatment of chronic anal fissure].
Pera
Miguel
M
Parés
David
D
Pascual
Marta
M
Courtier
Ricard
R
Gil
María José
MJ
Grande
Luis
L
D002908:Chronic Disease; D013505:Digestive System Surgical Procedures / Q000379:methods; D005401:Fissure in Ano / Q000601:surgery*; D006801:Humans