1Morgan CN.Hemorrhoids and their surgical treatment.A discription of St.Mark's Hospital operation for haemorrhoids.Surg.elin.North Am,1955,35:1457-1464,
2Staroselsky A,Nava-Ocampo AA, Vohra S,Koren G.Hemorrhoids in pregnancy [J]. Can Fam Physician,2008,54(2):189-190.
3Abramowitz L, Weyandt GH,Havlickova B, et al. Thediagnosis and management of haemorrhoidai diseasefrom a global perspective[J]. Aliment Pharmacol Ther,2010,31(Suppll) :l-58.
4Alonso-Coello P,Guyatt G,Heels-Ansdell D,et al.Laxa-tives for the treatment of hemorrhoids[J].Cochrane Da-tabase Syst Rev,2005(4) :CD004649.
5Quijano CE, Abalos E. Conservative management ofsymptomatic and/or complicated haemorrhoids in preg-nancy and the puerperium [ J ]. Cochrane Database SystRev,2005(3) :CD004077.
