RT Journal Article SR Electronic T1 Enterobius vermicularis: a possible cause of intestinal colic? JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 387 OP 388 VO 39 IS 326 A1 D H Brewster YR 1989 UL http://bjgp.org/content/39/326/387.2.abstract AB