McCALLUM, R I <br/><br/>
Pneumoconiosis of coal-miners in three North-umbrian collieries.  [electronic resource] 

 -  British journal of industrial medicine  Jul 1958 
 - 178-87 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0007-1072 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biometry<br/>Coal<br/>Humans<br/>Pneumoconiosis--statistics & numerical data