International symposium of pertussis /  
Charles R. Manclark, James C. Hill, editor 
 - Bethesda :  Department of Health, Education, and Welfare (HEW),  1978 
 - 387 p 
<br/><br/> Incluye índex 
<br/><br/>Enfermedades 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tosferina
<br/><br/><label>Dewey Class. No.: </label>614.543 I61