RT Journal Article SR Electronic T1 Dare to think rare: diagnostic delay and rare diseases JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 224 OP 225 DO 10.3399/bjgp18X695957 VO 68 IS 670 A1 William RH Evans YR 2018 UL http://bjgp.org/content/68/670/224.3.abstract AB