Das Gupta, J.  Dr. <br/><br/>
Hand book on smallpox vaccination principle and practice/ 
J. Das Gupta 
 - Calcutta:  Supdt. Vaccine Institute Calcutta corporation,  [19-?] 
 - 50 p.:  ill;  21 cm. 
<br/><br/>Bibliography: p. 50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Smallpox<br/>Poxvirus diseases<br/>Smallpox--Vaccination
<br/><br/><label>Dewey Class. No.: </label>614.521