Journal article (2000) - PLA Overbeeke (author), BC Koops (author), HM Verheij (author), AJ Slotboom (author), MR Egmond (author), JA Jongejan (author), JJ Heijnen (author), J. J. Heijnen (author), Joseph J. Heijnen (author), Sef Heijnen (author), J.J. Heijnen (author)