HEAL-Link members are entitled to have access to the full text of the electronic journals that are included in the database of the HEAL-Link portal, only for the years listed in the column “Access Period”. If the article you are interested in is not included in the access period that is indicated to this journal, then you are not entitled to have access to the full text of this article. If the article you are interested in is included in the access period that is indicated to this journal, then please inform us for the access problem in order to restore the access in collaboration with the publisher.