TY - JOUR T1 - Europe contemplates stricter language proficiency testing of doctors JF - Canadian Medical Association Journal JO - CMAJ SP - E321 LP - E322 DO - 10.1503/cmaj.109-3821 VL - 183 IS - 6 AU - Tiago Villanueva Y1 - 2011/04/05 UR - http://www.cmaj.ca/content/183/6/E321.abstract ER -