Frey, A H <br/><br/>
Modification of the conditioned emotional response by treatment with small negative air ions.  [electronic resource] 

 -  Journal of comparative and physiological psychology  Feb 1967 
 - 121-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0021-9940 
<br/><br/><label>Standard No.: </label>10.1037/h0024156  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air<br/>Air Ionization<br/>Animals<br/>Conditioning, Psychological<br/>Emotions<br/>Ions<br/>Male<br/>Rats<br/>Reserpine--pharmacology