Zak, A F <br/><br/>
[Biological properties of anhydro- and epiderivatives of tetracycline].  [electronic resource] 

 -  Antibiotiki  Apr 1973 
 - 324-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0003-5637 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drug Contamination<br/>Tetracycline