Carlier, J., De Plaen, J.-F., Duprez, D., Fagard, R., Leeman, M., Lins, R., & Six, R. (1997). 1995 survey on the management of hypertension in Belgium. Journal of Internal Medicine : from genes and molecules to patients, 241(1), 90-91. https://doi.org/10.1046/j.1365-2796.1997.t01-1-49884000.x (Original work published 1997)