Barker, L <br/><br/>
National, state, and urban area vaccination coverage levels among children aged 19-35 months--United States, 2001.  [electronic resource] 

 -  MMWR. Morbidity and mortality weekly report  Aug 2002 
 - 664-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0149-2195 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child, Preschool<br/>Humans<br/>Infant<br/>Population Surveillance<br/>United States--epidemiology<br/>Urban Population<br/>Vaccination--statistics & numerical data