TY - JOUR T1 - Demarcating Medicine's Boundaries: Constituting and Categorizing in the Journals of the American Medical Association JF - Technical Communication Quarterly Y1 - 2012 A1 - Derkatch, Colleen VL - 21 SP - 210-229 UR - http://www.tandfonline.com/doi/abs/10.1080/10572252.2012.663744 ER -