Friend, M <br/><br/>
Response of different-age mallards to DDT.  [electronic resource] 

 -  Bulletin of environmental contamination and toxicology  Jan 1974 
 - 49-56 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0007-4861 
<br/><br/><label>Standard No.: </label>10.1007/BF01685028  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aging<br/>Animals<br/>Body Weight<br/>Brain Chemistry<br/>DDT--pharmacology<br/>Ducks--physiology<br/>Female<br/>Lethal Dose 50<br/>Male<br/>Pesticide Residues--analysis<br/>Regression Analysis<br/>Sex Factors<br/>Time Factors