Sidani, Souraya, <br/><br/>
Health intervention research :  understanding research design and methods / 
Souraya Sidani. 
 - xiii, 247 pages :  illustrations ;  24 cm. 
<br/><br/><label>ISBN: </label>9781446256169  RM382.93 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research design.<br/>Clinical Trials as Topic.