Thi?t b? ho?t ??ng không s? d?ng ?i?n n?ng nên giúp ti?t ki?m ???c m?t kho?n chi phí r?t l?n.For the duration of swallowing and esophageal distension, There exists a extraordinary divergence of action amongst the crural and costal diaphragm, demonstrating complicated functional responses.The anterior connections lengthen through the decreased r