Recruiting Hard-to-Reach Subjects for Exercise Interventions: A Multi-Centre and Multi-Stage Approach Targeting General Practitioners and Their Community-Dwelling and Mobility-Lim...

Por Michael Brach, Anna Moschny, Bettina Bücker, Renate Klaaßen-Mielke, Matthias Trampisch, Stefan Wilm, Petra Platen, Timo Hinrichs
Publicado em 2013-12-01