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Chalmers B, Kaczorowski J, Levitt C, Dzakpasu S, O'Brien B, Lee L, Boscoe M, Young D; Maternity Experiences Study Group of the Canadian Perinatal Surveillance System; Public Health Agency of Canada.Chalmers B, et al. Among authors: kaczorowski j.Birth. 2009 Mar;36(1):13-25. doi: 10.1111/j.1523-536X.2008.00291.x.Birth. 2009.PMID: 19278379
Kingston D, Heaman M, Chalmers B, Kaczorowski J, O'Brien B, Lee L, Dzakpasu S, O'Campo P; Maternity Experiences Study Group of the Canadian Perinatal Surveillance System, Public Health Agency of Canada.Kingston D, et al. Among authors: kaczorowski j.J Obstet Gynaecol Can. 2011 Nov;33(11):1105-1115. doi: 10.1016/S1701-2163(16)35078-2.J Obstet Gynaecol Can. 2011.PMID: 22082784
Levitt C, Hanvey L, Bartholomew S, Kaczorowski J, Chalmers B, Heaman M, Li X; Maternity Experiences Study Group Public Health Agency of Canada.Levitt C, et al. Among authors: kaczorowski j.J Obstet Gynaecol Can. 2011 Dec;33(12):1208-1217. doi: 10.1016/S1701-2163(16)35104-0.J Obstet Gynaecol Can. 2011.PMID: 22166274
Chalmers B, Kaczorowski J, Darling E, Heaman M, Fell DB, O'Brien B, Lee L; Maternity Experiences Study Group of the Canadian Perinatal Surveillance System.Chalmers B, et al. Among authors: kaczorowski j.Birth. 2010 Mar;37(1):44-9. doi: 10.1111/j.1523-536X.2009.00377.x.Birth. 2010.PMID: 20402721
Chalmers B, Levitt C, Heaman M, O'Brien B, Sauve R, Kaczorowski J; Maternity Experiences Study Group of the Canadian Perinatal Surveillance System, Public Health Agency of Canada.Chalmers B, et al. Among authors: kaczorowski j.Birth. 2009 Jun;36(2):122-32. doi: 10.1111/j.1523-536X.2009.00309.x.Birth. 2009.PMID: 19489806