Prognostic profiles and the effectiveness of assisted conception: secondary analyses of individual patient data

N M Van den Boogaard, A. J. Bensdorp, K. Oude Rengerink, K Barnhart, S Bhattacharya, I M Custers, C Coutifaris, A J Goverede, D S Guzick, E C Hughes, P F Litvak, P Steures, P G A Hompes, F Van der Veen, Ben Mol, P Bossuyt