Zell, E R <br/><br/>
Vaccine coverage.  [electronic resource] 

 -  Public health reports (Washington, D.C. : 1974)   
 - 3-4 p.  digital 
<br/><br/> Publication Type: Comment; Letter 
<br/><br/><label>ISSN: </label>0033-3549 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child, Preschool<br/>Data Collection--statistics & numerical data<br/>Female<br/>Health Surveys<br/>Humans<br/>Immunization Programs--statistics & numerical data<br/>Infant<br/>Male<br/>United States<br/>Vaccination--statistics & numerical data