Plastics in medicine.
D005747:Gastric Fistula / Q000209:etiology; D006244:Hardness; D006801:Humans; D007412:Intestinal Fistula / Q000209:etiology; D007441:Intubation, Gastrointestinal / Q000009:adverse effects / Q000295:instrumentation; D010969:Plastics / Q000009:adverse effects*; D013997:Time Factors
D010969:Plastics