Chakraborty, A K <br/><br/>
Trend of diphtheria in Calcutta.  [electronic resource] 

 -  Indian journal of public health   
 - 187-92 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0019-557X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Child<br/>Child, Preschool<br/>Diphtheria--epidemiology<br/>Diphtheria Toxoid<br/>Female<br/>Humans<br/>India<br/>Infant<br/>Infant, Newborn<br/>Male