4,825
Participants
Start Date
January 31, 2014
Primary Completion Date
July 31, 2014
Study Completion Date
August 31, 2014
tensing exercises
Donors will do tensing exercises during blood donation
No tensing exercises
Donors will not do tensing exercises during blood donation - control arm
EFS Grenoble, Grenoble
EFS Lyon, Lyon
University Hospital, Grenoble
OTHER
Etablissement Français du Sang
OTHER