RT Journal Article SR Electronic T1 The GP as an investigator JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 409 OP 409 DO 10.3399/bjgp14X681037 VO 64 IS 625 A1 Vishnu B Madhok A1 Rustam Al-Shahi Salman A1 Frank Sullivan YR 2014 UL http://bjgp.org/content/64/625/409.abstract AB