RT Journal Article SR Electronic T1 Acute acalculous cholecystitis: an unusual presenting feature of Churg–Strauss vasculitis JF Canadian Journal of Surgery JO CAN J SURG FD Canadian Medical Association SP E129 OP E130 VO 51 IS 6 A1 Francescutti, Valerie A1 Ellis, Anne K. A1 Bourgeois, Jacqueline M. A1 Ward, Colin YR 2008 UL http://canjsurg.ca/content/51/6/E129.abstract