Maintenance: Friday 24 November 2017, 18:00 - Saturday 25 November 18:00
Database maintenance work on the ZORA servers is provided. The service is interrupted for 24 hours. Thank you for your patience.
Broeze, K A; Opmeer, B C; Bachmann, L M; Broekmans, F J; Bossuyt, P M M; Coppus, S F P J; Johnson, N P; Khan, K S; ter Riet, G; van der Veen, F; van Wely, M; Mol, B W J (2009). Individual patient data meta-analysis of diagnostic and prognostic studies in obstetrics, gynaecology and reproductive medicine. BMC Medical Research Methodology, 9:22.