RT Journal Article SR Electronic T1 A gastrointestinal stromal tumour presenting in a perforated Meckel’s diverticulum JF Canadian Journal of Surgery JO CAN J SURG FD Canadian Medical Association SP 70 OP 70 VO 47 IS 1 A1 Károly Szentpáli A1 András Palotás A1 Antal Wolfárd A1 László Tiszlavicz A1 Ádám Balogh YR 2004 UL http://canjsurg.ca/content/47/1/70.abstract