Marginal structural models and other analyses allow multiple estimates of treatment effects in randomized clinical trials: meta-epidemiological analysis by Ewald, H, Speich, B, Ladanie, A, Bucher, H, Ioannidis, J, Hemkens, L

Current use and costs of electronic health records for clinical trial research: a descriptive study by Mc Cord, K, Hannah, E, Ladanie, A, Briel, M, Speich, B, Bucher, H, Hemkens, L

The Comparative Effectiveness of Innovative Treatments for Cancer (CEIT-Cancer) project: Rationale and design of the database and the collection of evidence available at approval o... by Ladanie, A, Speich, B, Naudet, F, Agarwal, A, Pereira, T, Sclafani, F, Martin-Liberal, J, Schmid, T, Ewald, H, Ioannidis, J, Bucher, H, Kasenda, B, Hemkens, L