20050408132800.0 Tsuruoka Shiritsu Shōnai Byōin igaku zasshi 0915-7670 0915-7670 Japan Tsuruoka Shiritsu Shōnai Byōin igaku zasshi Tsuruoka Shiritsu Shōnai Byōin igaku zasshi. 0915-7670 Tsuruoka Shiritsu Shōnai Byōin igaku zasshi. 0915-7670 0915-7670