Reuse of data sources to evaluate drug safety signals When is it appropriate?

Wang, S. V., Kulldorff, M., Glynn, R. J., Gagne, J. J., Pottegård, A., Rothman, K. J., ... Walker, A. M. (2018). Reuse of data sources to evaluate drug safety signals: When is it appropriate? Pharmacoepidemiology and Drug Safety, 27(6), 567-569. https://doi.org/10.1002/pds.4442