WHO meeting on the methods ued in the USSR for wstablishing Biologic ally Safe Levels of Toxic Substances, Moscow, 12-19 Dec. 1972. 

 - 171 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Toxins<br/> Biology
<br/><br/><label>National Library of Medicine Call No.: </label>QW 630   /  W893m 1975