Parotid duct tree

umls-concept:C0227458, umls-concept:C0930635

http://linkedlifedata.com/resource/umls/relation/R17775675, http://linkedlifedata.com/resource/umls/relation/R04490016, http://linkedlifedata.com/resource/umls/relation/R12208260, http://linkedlifedata.com/resource/umls/relation/R12391576, http://linkedlifedata.com/resource/umls/relation/R12157226, http://linkedlifedata.com/resource/umls/relation/R12382818, http://linkedlifedata.com/resource/umls/relation/R12063541, http://linkedlifedata.com/resource/umls/relation/R12336218, http://linkedlifedata.com/resource/umls/relation/R12336219, http://linkedlifedata.com/resource/umls/relation/R12332104, http://linkedlifedata.com/resource/umls/relation/R17800215, http://linkedlifedata.com/resource/umls/relation/R04344149, http://linkedlifedata.com/resource/umls/relation/R98520525, http://linkedlifedata.com/resource/umls/relation/R98738696, http://linkedlifedata.com/resource/umls/relation/R17759300, http://linkedlifedata.com/resource/umls/relation/R04473641, http://linkedlifedata.com/resource/umls/relation/R12152445, http://linkedlifedata.com/resource/umls/relation/R17813420, http://linkedlifedata.com/resource/umls/relation/R04357349, http://linkedlifedata.com/resource/umls/relation/R12322249, http://linkedlifedata.com/resource/umls/relation/R17815457, http://linkedlifedata.com/resource/umls/relation/R04359386