Basic epidemiological methods and biostatistics:   a  workbook/ 
Cecil Slome... (et.al).. 
 - Boston, Mass. :  Jones and Bartlett Publishers,  MAo., c1986. 
 - 354p. 
 - c .
<br/><br/><label>ISBN: </label>0-86720-364-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Métodos Epidemiológicos--Recolección de Datos.
<br/><br/><label>Dewey Class. No.: </label>610.72  / B135b