[1]
M. CHIA and J. J. QUEK, “Efficacy of OTO Power Stretch Apparatus in Training for Abdominal and Upper Body Muscular Endurance: OTO力牽張儀在訓練腹部與上身肌肉耐力中的作用”, ajper, vol. 8, no. 2, pp. 62–66, Dec. 2002.