4sJan J. De Waele, F.Berrevoet, K.Reyntjens, etc. Semicontinuous intra-abdominal pressure measure- ment using an intragastric compliance catheter[J]. Intensive Care Medicine, 2007, 33(7): 1297-1300.
5Maxted K J, Shaw a, Macdonald T H. ChooSing a catheter system for measuring intra-oesophageal pressure[J]. Medical and Biological Engineering & Computing, 1977, 15(4): 398-401.
