%0 Journal Article %T Real benefit of a protective factor against dementia: Importance of controlling for death. Example of sport practice %A Catherine Helmer %A H¨¦l¨¨ne Amieva %A H¨¦l¨¨ne Jacqmin-Gadda %A Jean Fran£¿ois Dartigues %A J¨¦r£¿me Wittwer %A Leslie Grasset %A Luc Letenneur %A Pierre Joly %J Archive of "PLoS ONE". %D 2017 %R 10.1371/journal.pone.0174950 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5393553/