Kononen, D W <br/><br/>
First-year changes in blood lead and zinc protoporphyrin levels within two groups of occupational lead workers.  [electronic resource] 

 -  American Industrial Hygiene Association journal  Apr 1991 
 - 177-82 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-8894 
<br/><br/><label>Standard No.: </label>10.1080/15298669191364541  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Chemical Industry<br/>Humans<br/>Lead--blood<br/>Male<br/>Middle Aged<br/>Monitoring, Physiologic<br/>Occupational Exposure<br/>Protoporphyrins--blood<br/>Time Factors