Helicobacter pylori and childhood recurrent abdominal pain: community based case-control study. Issue 7213 (25th September 1999) - Macarthur, Colin; Saunders, Norman; Feldman, William; Ipp, Moshe; Winders-Lee, Patricia; Roberts, Susan; Best, Linda; Sherman, Philip; Pencharz, Paul; van Zanten, Sander Veldhuyzen