title: A clinical appraisal of polyvinyl endotracheal tubes. A study with particular reference to post-operative sore throats.
mesh_terms: D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D007442:Intubation, Intratracheal / Q000009:adverse effects / Q000295:instrumentation*; D008297:Male; D010612:Pharyngitis / Q000209:etiology; D011145:Polyvinyls; D012408:Rubber; D013223:Statistics as Topic
chemical_list: D011145:Polyvinyls; D012408:Rubber