Core information for the development of immunization policy : 2002 update. 

 - 154p. 
<br/><br/><label>ISBN: </label>WHO/V&B/02.28 
<br/><br/><label>Subjects--Corporate Names: </label><br/>World Health Organization
<br/><br/><label>Subjects--Topical Terms: </label><br/>Immunization programs<br/>Vaccines<br/>Communicable diseases--Epidemiology<br/>Program development<br/>Resource guides