by Hoffmann, J.J.M.L., Willemsen, J.J., Lenders, J.W.M., Benraad, Th.J.
Published in Clinica chimica acta (30.04.1986)

by Hoffmann, J.J.M.L., Willemsen, J.J., Thien, Th, Benraad, Th.J.
Published in Clinica chimica acta (10.11.1982)

by Jansen, P.A.F., Thien, Th, Gribnau, F.W.J., Schulte, B.P.M., Willemsen, J.J., Lamers, K.J.B., Poels, E.F.J.
Published in Clinical neurology and neurosurgery (1988)

by Kooi, J.W., Joosen, C.J.J., Willemsen, J.J.
Published in International Congress on Instrumentation in Aerospace Simulation Facilities (1993)