8Lund JN,Parsons SL.Scholefield JH.Sposm of the internal sphincter in anal fissure:Cause of effect?Gastroenterterology,1996,110:A711. 被引量:1
9Lund JN,Scholefield JH.A randomized,prospective,double-blind.placebo-controlled trial of glyceryl trinitrate ointment in treatment of anal fissure..Lancet,1997,349:11-14. 被引量:1
10Oettle GJ.Glyceryl trinitrate vs sphincterotomy for treatment of chronic fissure-in-ano:a randomized,controlled trial.Dis Colon Rectum,1997,40:1 318-1 320. 被引量:1