4Lichtenstein IL, Shulman AG, Amid PK, et al. The tension-free hernioplasty[J]. Am J Surg, 1989,157(2): 188-193.
5Shulman AG, Amid PK, Lichtenstein IL. The safety of mesh repair for primary inguinal hernias: results of 3 019 operations from five diverse surgical sources[J]. Am J Surg, 1992,58(4):255-257.