by Sandberg, EM, Twijnstra, ARH, Meir, CA, Kok, HS, Geloven, N, Gludovacz, K, Kolkman, W, Nagel, HTC, Haans, LCF, Kapiteijn, K, Jansen, FW
Published in BJOG : an international journal of obstetrics and gynaecology (01.05.2019)

by Kok, Helen S., van Asselt, Kristel M., van der Schouw, Yvonne T., Peeters, Petra H.M., Wijmenga, Cisca
Published in Human reproduction update (01.09.2005)

by van Asselt, Kristel M., Kok, Helen S., Pearson, Peter L., Dubas, Judith S., Peeters, Petra H.M., te Velde, Egbert R., van Noord, Paulus A.H.
Published in Fertility and sterility (01.11.2004)

by Kok, Helen S, Kuh, Diana, Cooper, Rachel, van der Schouw, Yvonne T, Grobbee, Diederick E, Wadsworth, Michael E J, Richards, Marcus
Published in Menopause (New York, N.Y.) (01.01.2006)

by van Asselt, Kristel M., Kok, Helen S., Putter, Hein, Wijmenga, Cisca, Peeters, Petra H.M., van der Schouw, Yvonne T., Grobbee, Diederick E., te Velde, Egbert R., Mosselman, Sietse, Pearson, Peter L.
Published in American journal of human genetics (01.03.2004)

by VAN ASSELT, Kristel M, KOK, Helen S, VAN DER SCHOUW, Yvonne T, PEETERS, Petra H. M, PEARSON, Peter L, GROBBEE, Diederick E
Published in Circulation (New York, N.Y.) (28.02.2006)

by van Asselt, Kristel M, Kok, Helen S, van Der Schouw, Yvonne T, Grobbee, Diederick E, te Velde, Egbert R, Pearson, Peter L, Peeters, Petra H M
Published in Epidemiology (Cambridge, Mass.) (01.09.2004)

by Kok, Helen S., Onland-Moret, N. Charlotte, van Asselt, Kristel M., van Gils, Carla H., van der Schouw, Yvonne T., Grobbee, Diederick E., Peeters, Petra H.M.
Published in Human reproduction (Oxford) (01.02.2005)

by Kok, Helen S., Asselt, Kristel M.van, Schouw, Yvonne T.van der, Grobbee, Diederick E., Velde, Egbert R.te, Pearson, Peter L., Peeters, Petra H.M.
Published in Human reproduction (Oxford) (01.03.2003)

by van Asselt, Kristel M, Kok, Helen S, Peeters, Petra H M, Roest, Mark, Pearson, Peter L, te Velde, Egbert R, Grobbee, Diederick E, van der Schouw, Yvonne T
Published in Menopause (New York, N.Y.) (01.09.2003)

by Kok, Helen S, van Asselt, Kristel M, Peeters, Petra H.M, van der Schouw, Yvonne T, Grobbee, Diederick E, Pearson, Peter L, Wijmenga, Cisca
Published in Fertility and sterility (01.03.2004)

by Kok, Howe Sen
Published in Hospital medicine (London, England : 1998) (01.02.2003)

by Loh Kok Heng, Er Meng Hwa, Hui Siew Kok
Published in 2000 IEEE International Conference on Acoustics, Speech, and Signal Processing. Proceedings (Cat. No.00CH37100) (2000)