RT Journal Article SR Electronic T1 Diagnosis and management of headaches in young people and adults: NICE guideline JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 443 OP 445 DO 10.3399/bjgp13X670895 VO 63 IS 613 A1 Kay Kennis A1 David Kernick A1 Norma O’Flynn YR 2013 UL http://bjgp.org/content/63/613/443.abstract AB