RT Journal Article SR Electronic T1 Denunciation: a new threat to access to health care for undocumented migrants JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 98 OP 99 DO 10.3399/bjgp12X625265 VO 62 IS 595 A1 Gervase Vernon YR 2012 UL http://bjgp.org/content/62/595/98.abstract AB