Comment on

• Prospective evaluation of endoscopic ultrasonography and endoscopic retrograde cholangiopancreatography in patients with chronic abdominal pain of suspected pancreatic origin.

  Wiersema MJ, Hawes RH, Lehman GA, Kochman ML, Sherman S, Kopecky KK. Wiersema MJ, et al. Endoscopy. 1993 Nov;25(9):555-64. doi: 10.1055/s-2007-1010405. Endoscopy. 1993. PMID: 8119204
• Endosonography in chronic pancreatitis--a comparison between endoscopic retrograde pancreatography and endoscopic ultrasonography.

  Nattermann C, Goldschmidt AJ, Dancygier H. Nattermann C, et al. Endoscopy. 1993 Nov;25(9):565-70. doi: 10.1055/s-2007-1010406. Endoscopy. 1993. PMID: 8119205
• Ex vivo examination of the pancreas by intraductal ultrasonography (IDUS).

  Menzel J, Foerster EC, Ubrig B, Keller R, Kerber S, Domschke W. Menzel J, et al. Endoscopy. 1993 Nov;25(9):571-6. doi: 10.1055/s-2007-1010407. Endoscopy. 1993. PMID: 8119206
• Evaluation of intraductal ultrasonography in the diagnosis of pancreatic cancer.

  Furukawa T, Tsukamoto Y, Naitoh Y, Hirooka Y, Katoh T. Furukawa T, et al. Endoscopy. 1993 Nov;25(9):577-81. doi: 10.1055/s-2007-1010408. Endoscopy. 1993. PMID: 8119207
• Endoscopic ultrasonography versus computed tomography in the differential diagnosis of perianorectal complications in Crohn's disease.

  Schratter-Sehn AU, Lochs H, Vogelsang H, Schurawitzki H, Herold C, Schratter M. Schratter-Sehn AU, et al. Endoscopy. 1993 Nov;25(9):582-6. doi: 10.1055/s-2007-1010409. Endoscopy. 1993. PMID: 8119208