Sommer, Iris E <br/><br/>
High-potency cannabis and incident psychosis: correcting the causal assumption.  [electronic resource] 

 -  The lancet. Psychiatry  06 2019 
 - 464-465 p.  digital 
<br/><br/> Publication Type: Letter; Comment 
<br/><br/><label>ISSN: </label>2215-0374 
<br/><br/><label>Standard No.: </label>10.1016/S2215-0366(19)30130-0  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cannabis<br/>Case-Control Studies<br/>Europe<br/>Humans<br/>Incidence<br/>Psychotic Disorders