Van Nieuwenhuysen, J.-P., Carvalho, J. C., & D’Hoore, W. (1999). Dental health Status in a Belgian Schoolchildren Population in 1983 and 1998. Journal of Dental Research, 78(Suppl 1), [Abstract 1761]. https://hdl.handle.net/2078.5/169140 (Original work published 1999)