1. Motivations for (non)participation in population-based health studies among the elderly – comparison of participants and nonparticipants of a prospective study on influenza vaccination. Issue 1 (December 2017) Authors: Akmatov, Manas; Jentsch, Leonhard; Riese, Peggy; May, Marcus; Ahmed, Malik; Werner, Damaris; Rösel, Anja; Prokein, Jana; Bernemann, Inga; Klopp, Norman; Prochnow, Blair; Illig, Thomas; Schindler, Christoph; Guzman, Carlos; Pessler, Frank Journal: BMC medical research methodology Issue: Volume 17:Issue 1(2017) Page Start: 1 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗