APA
Tjon-Kon-Fat R. I., Lar D. N., Steyerberg E. W., Broekmans F. J., Hompes P., Mol B. W. J., Steures P., Bossuyt P. M. M., van der Veen F., van der Steeg J. W. & Eijkemans M. J. C. (20131231). Inter-clinic variation in the chances of natural conception of subfertile couples. : Human reproduction (Oxford, England).
Chicago
Tjon-Kon-Fat R I, Lar D N, Steyerberg E W, Broekmans F J, Hompes P, Mol B W J, Steures P, Bossuyt P M M, van der Veen F, van der Steeg J W and Eijkemans M J C. 20131231. Inter-clinic variation in the chances of natural conception of subfertile couples. : Human reproduction (Oxford, England).
Harvard
Tjon-Kon-Fat R. I., Lar D. N., Steyerberg E. W., Broekmans F. J., Hompes P., Mol B. W. J., Steures P., Bossuyt P. M. M., van der Veen F., van der Steeg J. W. and Eijkemans M. J. C. (20131231). Inter-clinic variation in the chances of natural conception of subfertile couples. : Human reproduction (Oxford, England).
MLA
Tjon-Kon-Fat R I, Lar D N, Steyerberg E W, Broekmans F J, Hompes P, Mol B W J, Steures P, Bossuyt P M M, van der Veen F, van der Steeg J W and Eijkemans M J C. Inter-clinic variation in the chances of natural conception of subfertile couples. : Human reproduction (Oxford, England). 20131231.