Gonzalez, C.L. <br/><br/>
Mass campaigns and general health services 
by C.L. Gonzalez 
 - Geneva  World Health Organization  1965 
 - 87p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Preventive health services.<br/>Communicable diseases --Developing countries --Prevention<br/>Public health --Developing countries
<br/><br/><label>Dewey Class. No.: </label>O32 G589