Robb-Nicholson, Celeste <br/><br/>
By the way, doctor. I'm 50 years old, and like everybody else my age, I was vaccinated against smallpox before first grade. Do I still have some immunity?  [electronic resource] 

 -  Harvard women's health watch  Dec 2002 
 - 8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1070-910X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Female<br/>Humans<br/>Immunity, Active<br/>Middle Aged<br/>Smallpox--immunology<br/>Smallpox Vaccine--administration & dosage<br/>Time Factors