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Artificial Organs|October 26, 2006
Development of a novel, remote-controlled artificial bowel sphincter through microsystems technologyHans-J Schrag, Olaf Ruthmann, Alexander Doll, et al.Canadian Journal of Gastroenterology = Journal Canadien De Gastroenterologie|April 28, 2011
Risk factors and complications following percutaneous endoscopic gastrostomy: a case series of 1041 patientsHans Juergen Richter-Schrag, Sabine Richter, Olaf Ruthmann, et al.Artificial Organs|July 13, 2010
The first teleautomatic low-voltage prosthesis with multiple therapeutic applications: a new version of the German artificial sphincter systemOlaf Ruthmann, Sabine Richter, Gabriel Seifert, et al.Pageof 1