Journal article (1996) - C Leguijt (author) , P Lolgen (author) , JA Eikelboom (author) , AW Weeber (author) , FM Schuurmans (author) , WC Sinke (author) , PFA Alkemade (author) , P. M. Sarro (author) , CHM Maree (author) , LA Verhoef (author)