Plate fixation of expansive open-door laminoplasty decreases the incidence of postoperative C5 palsy

Yoshiomi Kobayashi, Satoshi Matsumaru, Tetsuya Kuramoto, Narihito Nagoshi, Akio Iwanami, Osahiko Tsuji, Eijiro Okada, Nobuyuki Fujita, Mitsuru Yagi, Takashi Tsuji, Jun Ogawa, Masaya Nakamura, Morio Masumoto, Ken Ishii, Kota Watanabe