RT Journal Article SR Electronic T1 Persistent cough in children JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 518 OP 518 DO 10.3399/bjgp13X673658 VO 63 IS 615 A1 Jenkinson, Doug YR 2013 UL http://bjgp.org/content/63/615/518.3.abstract AB