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MLA-Zitierstil (9. Ausg.)Shang, Edward, et al. "Pump-assisted Versus Gravity-controlled Enteral Nutrition in Long-term Percutaneous Endoscopic Gastrostomy Patients: A Prospective Controlled Trial." Journal of Parenteral and Enteral Nutrition, vol. 27, no. 3, 2003, https://doi.org/10.1177/0148607103027003216.