nasogastric tube

http://linkedlifedata.com/resource/umls/relation/R05305482, http://linkedlifedata.com/resource/umls/relation/R05303649, http://linkedlifedata.com/resource/umls/relation/R05304305, http://linkedlifedata.com/resource/umls/relation/R05303717, http://linkedlifedata.com/resource/umls/relation/R05304535, http://linkedlifedata.com/resource/umls/relation/R19384391, http://linkedlifedata.com/resource/umls/relation/R05303305, http://linkedlifedata.com/resource/umls/relation/R05302233, http://linkedlifedata.com/resource/umls/relation/R05304385, http://linkedlifedata.com/resource/umls/relation/R05309925, http://linkedlifedata.com/resource/umls/relation/R05310003, http://linkedlifedata.com/resource/umls/relation/R05303799, http://linkedlifedata.com/resource/umls/relation/R03288423, http://linkedlifedata.com/resource/umls/relation/R46280280, http://linkedlifedata.com/resource/umls/relation/R05304594, http://linkedlifedata.com/resource/umls/relation/R05304005, http://linkedlifedata.com/resource/umls/relation/R46281024, http://linkedlifedata.com/resource/umls/relation/R05305193, http://linkedlifedata.com/resource/umls/relation/R111915592, http://linkedlifedata.com/resource/umls/relation/R05300181, http://linkedlifedata.com/resource/umls/relation/R03208724, http://linkedlifedata.com/resource/umls/relation/R03209255, http://linkedlifedata.com/resource/umls/relation/R05303020, http://linkedlifedata.com/resource/umls/relation/R05303061, http://linkedlifedata.com/resource/umls/relation/R05303931, http://linkedlifedata.com/resource/umls/relation/R05304669, http://linkedlifedata.com/resource/umls/relation/R05304451, http://linkedlifedata.com/resource/umls/relation/R03224700, http://linkedlifedata.com/resource/umls/relation/R05304069, http://linkedlifedata.com/resource/umls/relation/R03216734, http://linkedlifedata.com/resource/umls/relation/R03216775, http://linkedlifedata.com/resource/umls/relation/R03216822, http://linkedlifedata.com/resource/umls/relation/R03216863, http://linkedlifedata.com/resource/umls/relation/R05309877, http://linkedlifedata.com/resource/umls/relation/R05308902, http://linkedlifedata.com/resource/umls/relation/R05308797, http://linkedlifedata.com/resource/umls/relation/R05305584, http://linkedlifedata.com/resource/umls/relation/R05305543, http://linkedlifedata.com/resource/umls/relation/R05309588, http://linkedlifedata.com/resource/umls/relation/R05306695, http://linkedlifedata.com/resource/umls/relation/R05306876, http://linkedlifedata.com/resource/umls/relation/R44104120, http://linkedlifedata.com/resource/umls/relation/R05309444, http://linkedlifedata.com/resource/umls/relation/R05308412, http://linkedlifedata.com/resource/umls/relation/R05308303, http://linkedlifedata.com/resource/umls/relation/R44104251, http://linkedlifedata.com/resource/umls/relation/R05309367, http://linkedlifedata.com/resource/umls/relation/R44103801, http://linkedlifedata.com/resource/umls/relation/R05305843, http://linkedlifedata.com/resource/umls/relation/R111921077, http://linkedlifedata.com/resource/umls/relation/R111921568, http://linkedlifedata.com/resource/umls/relation/R05306146, http://linkedlifedata.com/resource/umls/relation/R05303418