title: A flexible unkinkable cannula and its obstruction by dicalcium orthophosphate concretions.
mesh_terms: D000818:Animals; D002118:Calcium / Q000032:analysis; D002130:Calcium Phosphates; D002137:Calculi / Q000209:etiology* / Q000378:metabolism; D002404:Catheterization / Q000295:instrumentation; D004032:Diet; D004285:Dogs; D006863:Hydrogen-Ion Concentration; D007082:Ileum; D007583:Jejunum; D009584:Nitrogen / Q000032:analysis; D009757:Nylons; D010710:Phosphates / Q000032:analysis; D011183:Postoperative Complications / Q000209:etiology*
chemical_list: D002130:Calcium Phosphates; D009757:Nylons; D010710:Phosphates; D009584:Nitrogen; D002118:Calcium