RT Journal Article SR Electronic T1 Providing health care to medically uninsured immigrants and refugees JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1253 OP 1254 DO 10.1503/cmaj.051206 VO 174 IS 9 A1 Paul Caulford A1 Yasmin Vali YR 2006 UL http://www.cmaj.ca/content/174/9/1253.abstract