8Maclean,Jonarrne,Russell,et al.Pruilns ani.Austmlian Family Physician, 2010,39(6):366-370.
9NE Samalavicius,T Poskus,R K Gupta,et al .Long-term resuls of single intradermal 1% methylene blue inieetion for intrac-table idiopathic pruritus ani:a prospective study.Techniques in Coloproctology, 2012,16(4):295-299.