Ludwig, A M <br/><br/>
Altered states of consciousness.  [electronic resource] 

 -  Archives of general psychiatry  Sep 1966 
 - 225-34 p.  digital 
<br/><br/> Publication Type: Journal Article; Review 
<br/><br/><label>ISSN: </label>0003-990X 
<br/><br/><label>Standard No.: </label>10.1001/archpsyc.1966.01730150001001  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Consciousness<br/>Humans