TY - JOUR T1 - Muddling thru models JF - Canadian Medical Association Journal JO - CMAJ SP - E1283 LP - E1284 DO - 10.1503/cmaj.109-4042 VL - 183 IS - 18 AU - Paul Christopher Webster Y1 - 2011/12/13 UR - http://www.cmaj.ca/content/183/18/E1283.abstract ER -