"0000000387950713" . . "2016-11-08" . "Poortman" . "17002962"^^ . . "IJsbrand" . "ISNI" . . . "IJsbrand Poortman" . . "2015-11-04" . . . "IJsbrand Poortman"@fr . "2016-11-07"^^ . . . . . . "Biomedical research and orphan medicinal products / rapporteurs Cees Smit, Alastair Kent, IJsbrand Poortman, cop. 1998. - . - VIAF : Bibliothèque royale des Pays-Bas. - http://viaf.org/viaf/281055105. - 2015-11-04"@fr . "male" . . . .