TY - JOUR A1 - Ouellette, Nadine A1 - Bourbeau, Robert T1 - Changes in the age-at-death distribution in four low mortality countries: A nonparametric approach Y1 - 2011 DO - 10.4054/DemRes.2011.25.19 JF - Demographic Research VL - 25 IS - 19 SP - 595 EP - -628 ER -