Publications
2007 Lok, J.J. Statistical modeling of causal effects in continuous time. Accepted for publication in the Annals of Statistics.
2007 Lok, J.J. Structural nested models and standard software: a mathematical foundation through partial likelihood. Scandinavian Journal of Statistics 34 (1), 186--206.
2004 Lok, J.J. , A.W. van der Vaart, R.D. Gill, A.W. van der Vaart, J.M. Robins. Estimating the causal effect of a time-varying treatment on time-to-event using structural nested failure time models. Statistica Neerlandica 58 (3), 271--295.
2004 Van der Linden, Y.M., P.D.S. Dijkstra, H.M. Kroon, J.J. Lok , E.M. Noordijk, J.W.H. Leer, C.A.M. Marijnen. Comparative analysis of risk factors for pathological fracture with femoral metastases - Results based on a randomised trial of radiotherapy. Journal of Bone and Joint Surgery (Br) 86B (4), 566--573.
2004 Van der Linden, Y.M., J.J. Lok , E. Steenland, H. Martijn, H. van Houwelingen, C.A.M. Marijnen, J.W.H. Leer, Dutch Bone Metastasis Study Group. Single fraction radiotherapy is efficacious: A further analysis of the dutch bone metastasis study controlling for the influence of retreatment. International Journal of Radiation Oncology Biology Physics 59 (2), 528--537.
2004 Van der Peijl, I.D., T.P.M. Vlieland, M.I.M. Versteegh, J.J. Lok , M. Munneke, R.A.E. Dion. Exercise therapy after coronary artery bypass graft surgery: A randomized comparison of a high and low frequency exercise therapy program. Annals of Thoracic Surgery 77 (5), 1535--1541.
2003 Van der Linden, Y.M., H.M. Kroon, S.P.D.S. Dijkstra, J.J. Lok , E.M. Noordijk, J.W.H. Leer, C.A.M. Marijnen, Dutch Bone Metastasis Study Group. Simple radiographic parameter predicts fracturing in metastatic femoral bone lesions: results from a randomised trial. Radiotherapy and Oncology 69 (1), 21--31.
1998 Hettiarachi, R.J.K., J.J. Lok , M.H. Prins, H.R. Buller, P. Prandoni. Undiagnosed malignancy in patients with deep vein thrombosis -- Incidence, risk indicators, and diagnosis. Cancer 83 (1), 180--185.
1996 Mol, B.W.J., J.J. Lok , W. Voorn, E. Pajkrt, J. van Lith, J. van der Meulen. The diagnostic value of the triple test in the diagnosis of Down's syndrome. Early human development 45: Suppl S, S55--S58.