APA

Machielsen M., van der Sluis S. & de Haan L. (20101025). Cannabis use in patients with a first psychotic episode and subjects at ultra high risk of psychosis: impact on psychotic- and pre-psychotic symptoms. : The Australian and New Zealand journal of psychiatry.

Chicago

Machielsen Marise, van der Sluis Suzanne and de Haan Lieuwe. 20101025. Cannabis use in patients with a first psychotic episode and subjects at ultra high risk of psychosis: impact on psychotic- and pre-psychotic symptoms. : The Australian and New Zealand journal of psychiatry.

Harvard

Machielsen M., van der Sluis S. and de Haan L. (20101025). Cannabis use in patients with a first psychotic episode and subjects at ultra high risk of psychosis: impact on psychotic- and pre-psychotic symptoms. : The Australian and New Zealand journal of psychiatry.

MLA

Machielsen Marise, van der Sluis Suzanne and de Haan Lieuwe. Cannabis use in patients with a first psychotic episode and subjects at ultra high risk of psychosis: impact on psychotic- and pre-psychotic symptoms. : The Australian and New Zealand journal of psychiatry. 20101025.