[Etiology and pathogenesis of anal fistulas].
D000038:Abscess / Q000150:complications; D001003:Anal Canal / Q000503:physiopathology / Q000601:surgery; D005401:Fissure in Ano / Q000209:etiology*; D006801:Humans; D009130:Muscle, Smooth / Q000503:physiopathology; D012007:Rectum / Q000601:surgery
Anaalifistelien etiologia ja patogeneesi.