Cerebroplacental ratio in predicting adverse perinatal outcome: a meta-analysis of individual participant data

C. A. Vollgraff Heidweiller-Schreurs^*, I. R. van Osch, M. W. Heymans, W. Ganzevoort, L. J. Schoonmade, C. J. Bax, B. W.J. Mol, C. J.M. de Groot, P. M.M. Bossuyt, M. A. de Boer, CPR IPD Study Group

^*Corresponding author for this work