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.Dysfunction in the diaphragm may lead to disruptions in esophageal motility and add to gastroesophageal reflux disorder (GERD).??????????????????????????????????? ? ?????? ??? ?????(?.?????)? ?? ? ?? ?????? ?? ??/??? ?????(?.?????)?? ?? ? ???? ?? ?.The