TY - JOUR T1 - Abolishing the law of gravity JF - Canadian Medical Association Journal JO - CMAJ SP - 598 LP - 598-a DO - 10.1503/cmaj.1070181 VL - 178 IS - 5 AU - Michael J. Walsh MDCM Y1 - 2008/02/26 UR - http://www.cmaj.ca/content/178/5/598.2.abstract ER -