1[1]Bluth EI,Merritt CDB,Suillivan MA.Ultrasouic evaluation of the stomach,small bowel,and colon.Radiology,1979,133:760-780.
2[2]Rutgeerts LJ,Verbanck JJ,Crap AW,et al.Detection of colorectal cancer by routine ultrasound.J Belg Radiol,1991,74(1):11-13.
3[3]Truong S,Arlt G,Pfingsten F,et al.Importance of sonography in diagnosis of ileus:a retrospective study of 459 patients.Chirurg,1992,63(8):634-640.
4[4]Mucha P.Small intestinal obstruction.Surg Clin North Am,1987,67:560-597.
5[5]Mriser G,Meissner K.Sonographic differential diagnosis of intestinal obstruction:results of a prospective study of 48 patients.Ultraschall Med,1985,6:39-45.
