Mackenzie, M D <br/><br/>
Notes on certain trends in public health work in the City of New York and in the States of New York, Massachusetts and Georgia.  [electronic resource] 

 -  Proceedings of the Royal Society of Medicine  Nov 1945 
 - 19-26 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0035-9157