A clinical trial alert tool to recruit large patient samples and assess selection bias in general practice research

by Scheidt-Nave Christa, Schäfer Tobias, Wedeken Sven, Thüring Sabine, Heinemann Stephanie, Ketterer Mirko, Himmel Wolfgang
Published 2011-02-01

QUALICOPC, a multi-country study evaluating quality, costs and equity in primary care

by Van den Berg Michael J, Švab Igor, Seghieri Chiara, Rotar-Pavlic Danica, Heinemann Stephanie, Greß Stefan, De Maeseneer Jan, Kringos Dionne S, Boerma Wienke GW, Schäfer Willemijn LA, Vainieri Milena, Westert Gert P, Willems Sara, Groenewegen Peter P
Published 2011-10-01