Nerve to piriformis

umls-concept:C0835913, umls-concept:C0835914

http://linkedlifedata.com/resource/umls/relation/R98790159, http://linkedlifedata.com/resource/umls/relation/R98472247, http://linkedlifedata.com/resource/umls/relation/R98549756, http://linkedlifedata.com/resource/umls/relation/R17739050, http://linkedlifedata.com/resource/umls/relation/R04453397, http://linkedlifedata.com/resource/umls/relation/R11785786, http://linkedlifedata.com/resource/umls/relation/R98774303, http://linkedlifedata.com/resource/umls/relation/R11780871, http://linkedlifedata.com/resource/umls/relation/R98774314, http://linkedlifedata.com/resource/umls/relation/R99016059, http://linkedlifedata.com/resource/umls/relation/R122766197, http://linkedlifedata.com/resource/umls/relation/R99450736, http://linkedlifedata.com/resource/umls/relation/R99450753, http://linkedlifedata.com/resource/umls/relation/R99214235, http://linkedlifedata.com/resource/umls/relation/R11811904, http://linkedlifedata.com/resource/umls/relation/R11811872, http://linkedlifedata.com/resource/umls/relation/R122819111, http://linkedlifedata.com/resource/umls/relation/R17847967, http://linkedlifedata.com/resource/umls/relation/R04390233, http://linkedlifedata.com/resource/umls/relation/R122819112, http://linkedlifedata.com/resource/umls/relation/R17847930, http://linkedlifedata.com/resource/umls/relation/R04390196, http://linkedlifedata.com/resource/umls/relation/R99214246, http://linkedlifedata.com/resource/umls/relation/R99214260