Wong, O <br/><br/>
Methodological issues involving the standardized mortality ratio and proportionate mortality ratio in occupational studies.  [electronic resource] 

 -  Journal of occupational medicine. : official publication of the Industrial Medical Association  Apr 1982 
 - 299-304 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0096-1736 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Aged<br/>Cardiovascular Diseases--mortality<br/>Epidemiologic Methods<br/>Female<br/>Humans<br/>Male<br/>Middle Aged<br/>Neoplasms--mortality<br/>Occupational Diseases--mortality<br/>Risk<br/>Statistics as Topic<br/>Tuberculosis--mortality