• Journal Article

Increasing levels of restriction in pharmacoepidemiologic database studies of elderly and comparison with randomized trial results.

Citation

Schneeweiss, S., Patrick, A., Sturmer, T., Brookhart, M. A., Avorn, J., Maclure, M., ... Glynn, R. (2007). Increasing levels of restriction in pharmacoepidemiologic database studies of elderly and comparison with randomized trial results. Medical Care, 45(10 Suppl).

Abstract