JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, vol. 12, no. 12, page. 855 - 861, 1997-12
JOURNAL OF THE AMERICAN SOCIETY OF NEPHROLOGY, vol. 7, no. 11, page. 2409 - 2413, 1996-11
JOURNAL OF MEDICAL VIROLOGY, vol. 49, no. 1, page. 55 - 60, 1996-05