2011-02-15Zeitschriftenartikel
A clinical trial alert tool to recruit large patient samples and assess selection bias in general practice research
Heinemann, Stephanie; Thüring, Sabine; Wedeken, Sven; Schäfer, Tobias; Scheidt-Nave, Christa; Ketterer, Mirko; Himmel, Wolfgang
Background: Many research projects in general practice face problems when recruiting patients, often resulting in low recruitment rates and an unknown selection bias, thus limiting their value for health services research. ...