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Dzakpasu S, Chalmers B; Maternity Experiences Study Group of the Canadian Perinatal Surveillance System, Health Canada.Dzakpasu S, et al. Among authors: chalmers b.Birth. 2005 Mar;32(1):34-8. doi: 10.1111/j.0730-7659.2005.00338.x.Birth. 2005.PMID: 15725203
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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.Birth. 2009 Mar;36(1):13-25. doi: 10.1111/j.1523-536X.2008.00291.x.Birth. 2009.PMID: 19278379
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.Birth. 2009 Jun;36(2):122-32. doi: 10.1111/j.1523-536X.2009.00309.x.Birth. 2009.PMID: 19489806