Researching health   qualitative, quantitative and mixed methods 

 - Los Angeles   Sage  2007 
<br/><br/><label>ISBN: </label>978-1-412-90364-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medicine-Research-Methodology-Textbooks
<br/><br/><label>LC Class. No.: </label>R 850 .R47