%0 Journal Article %T Physiology of the Sphincter of Oddi: The present and the future? - part 2 %A Ballal Mansour %A Sanford Paul %J Saudi Journal of Gastroenterology %D 2001 %I Medknow Publications %U http://www.saudijgastro.com/article.asp?issn=1319-3767;year=2001;volume=7;issue=1;spage=6;epage=21;aulast=Ballal