1. Study Identification and Selection Process
G. Michael Allan, et al. PLoS Med 2007;4: e283

2. Study Characteristics
G. Michael Allan, et al. PLoS Med 2007;4: e283

3. Cost Accuracy Summaries
G. Michael Allan, et al. PLoS Med 2007;4: e283

4. Between-Study Comparisons in Cost Accuracy (for Studies Using 20% or 25% Margins of Error for Accuracy)
G. Michael Allan, et al. PLoS Med 2007;4: e283

5. Comparison of Accuracy for Similar Drugs
G. Michael Allan, et al. PLoS Med 2007;4: e283

6. Impact of Different Factors on Accuracy of Cost Estimation
G. Michael Allan, et al. PLoS Med 2007;4: e283

7. Editors’ Summary
G. Michael Allan, et al. PLoS Med 2007;4: e283