CHIA M, QUEK JJ. 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 [Internet]. 2002 Dec. 1 [cited 2024 Apr. 26];8(2):62-6. Available from: https://ejournals.lib.hkbu.edu.hk/index.php/ajper/article/view/1272