Wyniki wyszukiwania dla: Rona L. Levy
Digestive Diseases and Sciences > 2001 > 46 > 6 > 1276-1284
The American Journal of Gastroenterology > 2000 > 95 > 2 > 451-456
The American Journal of Gastroenterology > 1999 > 94 > 7 > 1733-1742
Journal of Behavioral Medicine > 1997 > 20 > 2 > 177-193