Hiroyasu Ogawa
Japan
Research Article
A Prospective, Randomized Comparison of the Postoperative Administration of Tramadol and Morphine following Primary Total Knee Arthroplasty
Author(s): Shigemi Matsumoto, Kazu Matsumoto, Hiroyasu Ogawa, Kiyoshi Nagase, Kumiko Tanabe, Haruhiko Akiyama and Hiroki IidaShigemi Matsumoto, Kazu Matsumoto, Hiroyasu Ogawa, Kiyoshi Nagase, Kumiko Tanabe, Haruhiko Akiyama and Hiroki Iida
