RT Journal Article SR Electronic T1 How accurately do parents collect urine samples from their children? JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 1183 OP 1184 VO 48 IS 429 A1 Adrian Edwards A1 Judith Van Der Voort A1 Kate Verrier Jones YR 1998 UL http://bjgp.org/content/48/429/1183.3.abstract AB