Walsh, Michael J Abolishing the law of gravity. [electronic resource] - CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne Feb 2008 - 598 p. digital Publication Type: Comment; Letter ISSN: 1488-2329 Standard No.: 10.1503/cmaj.1070181 doi Subjects--Topical Terms: HumansWeightlessnessWit and Humor as Topic