By van de Wiel N.   Matthys W.   Cohen-Kettenis P. C.   van Engeland H.   in European Child & Adolescent Psychiatry

ISSN:1018-8827|11|2|79-84

Springer Publishing Company ‎(2002)‎

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By van Goozen S.H.M.   Matthys W.   Cohen-Kettenis P.T.   Westenberg H.   van Engeland H.   in European Neuropsychopharmacology

ISSN:0924-977X|9|1|141-147

Elsevier‎(1999)‎

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By Jansen L.M.C.   Gispen-de Wied C.C.   Jansen M.A.   van der Gaag R.-J.   Matthys W.   van Engeland H.   in European Neuropsychopharmacology

ISSN:0924-977X|9|1|67-75

Elsevier‎(1999)‎

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EPs 7630, a Herbal Drug Preparation for Treating Acute Bronchitis in Children and Adults‎

By H. Matthys and W. Kamin  

ISBN:INT0153820515

IntechOpen‎(2011)‎

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