"Short" double-balloon or single-balloon enteroscope for ERCP in patients with billroth II gastrectomy or Roux-en-Y anastomosis.
Matsushita
Mitsunobu
M
Shimatani
Masaaki
M
Ikeura
Tsukasa
T
Takaoka
Makoto
M
Okazaki
Kazuichi
K