Ulrich, L <br/><br/>
[Highest possible concentrations of chemical materials in working environment].  [electronic resource] 

 -  Bratislavske lekarske listy  Sep 1972 
 - 366-73 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0006-9248 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air Pollution<br/>Environment<br/>Environmental Pollution<br/>Ethylene Oxide--poisoning<br/>Humans<br/>Occupational Medicine<br/>Pesticides--poisoning<br/>Styrenes--poisoning<br/>Toluene--poisoning<br/>Trichloroethylene--poisoning