Lippincott, Williams & Wilkins, The American Journal of Gastroenterology, 7(93), p. 1136-1140, 1998
DOI: 10.1111/j.1572-0241.1998.00344.x
Lippincott, Williams & Wilkins, The American Journal of Gastroenterology, 7(93), p. 1136-1140
DOI: 10.1016/s0002-9270(98)00225-1
Full text: Unavailable