Al Otaibi، H. M.، و Kubls، H. P. (2006). The Effect of low Resistance Inspiratory Muscle Training on Respiratory Muscle Strength, Pulmonary Function Performance and Respiratory Effort Sensation in Healthy Subjects (رسالة ماجستير غير منشورة). Bangor University، بانغور. مسترجع من http://search.mandumah.com/Record/600786
Al Otaibi، Hajed M.، و Hans Peter Kubls. "The Effect of Low Resistance Inspiratory Muscle Training On Respiratory Muscle Strength, Pulmonary Function Performance and Respiratory Effort Sensation in Healthy Subjects" رسالة ماجستير. Bangor University، بانغور، 2006. مسترجع من http://search.mandumah.com/Record/600786