Collins, Jack C. <br/><br/>
Ethical considerations for mystery shopper studies of pharmaceutical sales / 
by: Jack C. Collins [and three others] 
<br/><br/>Bulletin of the World Health Organization, 2020 98(6), pages 375 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pharmaceutical industry<br/>Pharmaceutical industry--Economic aspects<br/>Editorials