Lawton and foy´s texbook for medical assistants 
M. Murray Lawton ... [et al.] 
 - St. Louis :  The C.V. Mosby 
 - ix, 460 p. 
<br/><br/><label>ISBN: </label>0-8016-2893-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Asistentes Medico