To view publications by Helmut Brand on the Website of Maastricht University click https://cris.maastrichtuniversity.nl/portal/en/persons/helmut-brand(8a3332fa-7dbd-44f7-84f0-2f3a43e69d3b)/publications.html?page=1
To view on google scholar click here
To view on Medline please click HB in PubMed