RT Journal Article SR Electronic T1 Natural history of abdominal pain in family practice JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 452 OP 452 DO 10.46747/cfp.6907452_1 VO 69 IS 7 A1 Etches, Duncan J. YR 2023 UL http://www.cfp.ca/content/69/7/452.2.abstract AB