TY - JOUR T1 - US health reform heads for legal showdown with states JF - Canadian Medical Association Journal JO - CMAJ SP - E319 LP - E320 DO - 10.1503/cmaj.109-3223 VL - 182 IS - 8 AU - Cal Woodward Y1 - 2010/05/18 UR - http://www.cmaj.ca/content/182/8/E319.abstract ER -