The presumed increased bleeding tendency in red-haired individuals is not associated with von Willebrand factor antigen levels in older individuals

Leebeek, F. W. G., Dehghan, A., Kruip, M. J. H. A., Hofman, A., Uitterlinden, A. G., De Wee, E. M., … De Maat, M. P. M. (2011, December). The presumed increased bleeding tendency in red-haired individuals is not associated with von Willebrand factor antigen levels in older individuals. Journal of Thrombosis and Haemostasis. https://doi.org/10.1111/j.1538-7836.2011.04540.x