Search results
BMC Public Health > 2019 > 19 > 4 > 1-10
Digestive and Liver Disease > 2018 > 50 > 1 > 32-36
Clinical Gastroenterology and Hepatology > 2017 > 15 > 6 > 857-863
Digestive Diseases and Sciences > 2015 > 60 > 2 > 299-312
Digestive Diseases and Sciences > 2009 > 54 > 4 > 848-852
Digestive Diseases and Sciences > 2009 > 54 > 8 > 1740-1745
International Journal of Colorectal Disease > 2008 > 23 > 10 > 957-964
European Journal of Epidemiology > 2006 > 21 > 12 > 887-892