Angela Acosta, Agustín Ciapponi, Morten Aaserud, Valeria Vietto, Astrid Austvoll-Dahlgren, Jan Peter Kösters, Claudia Vacca, Manuel Machado, Diana Hazbeydy Diaz Ayala, Andrew D Oxman,
Pharmaceutical policies: effects of reference pricing, other pricing, and purchasing policies Cochrane Database of Systematic Reviews. ,vol. 2014, pp. 005979- ,(2014) ,
10.1002/14651858.CD005979.PUB2