Complex interventions in health :  an overview of methods / 
edited by David A. Richards and Ingalill Rahm Hallberg. 
 - xxv, 381 pages :  illustration ;  24 cm. 
<br/><br/><label>ISBN: </label>9780415703147  RM505.80 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comparative Effectiveness Research--methods<br/>Research Desnkl<br/>Research design.