Association between Preoperative Vitamin D Status and Short-Term Physical Performance after Total Hip Arthroplasty : A Prospective Study

by Visser, Edith, de Roos, Nicole M., Oosting, Ellen, Endenburg, Silvia C., Dronkers, Jaap J.

An increase in physical activity after colorectal cancer surgery is associated with improved recovery of physical functioning : A prospective cohort study

by van Zutphen, Moniek, Winkels, Renate M., van Duijnhoven, Fränzel J.B., van Harten-Gerritsen, Suzanne A., van Gils-Kok, Dieuwertje, van Duijvendijk, Peter, van Halteren, Henk K., Hansson, Bibi M.E., Kruyt, Flip M., Spillenaar Bilgen, Ernst J., de Wilt, Johannes H.W., Dronkers, Jaap J., Kampman, Ellen