RT Journal Article SR Electronic T1 Negative predictive value of urine dipstick testing. JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 579 OP 579 VO 50 IS 456 A1 S H Wild A1 M Sadler YR 2000 UL http://bjgp.org/content/50/456/579.1.abstract AB