1. Systematic reviews of economic evaluations: utility or futility?;Anderson;Health Economics,2009
2. Pharmaceutical policies: effects of reference pricing, other pricing, and purchasing policies;Aaserud;Cochrane Database of Systematic Reviews,2006
3. Pharmaceutical policies: effects of financial incentives for prescribers;Sturm;Cochrane Database of Systematic Reviews,2007
4. Pharmaceutical policies: effects of cap and co-payment on rational drug use;Austvoll-Dahlgren;Cochrane Database of Systematic Reviews,2008