Paraquat a sua seguranca a saude do ser humano e do meio ambiente 
 [Paraquattoxicity. Its' security the health of the human being and the health of the environment] 

 - Sao Paulo, SP (Brasil):   [nd].  
 - 15 p. 
<br/><br/> 8 ref.; Published 1982? 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HERBICIDA<br/>TOXIDEZ