Westert, G. P., Groenewoud, S., Wennberg, J. E., Gerard, C., DaSilva, P., Atsma, F., & Goodman, D. C. (2018). Medical practice variation: Public reporting a first necessary step to spark change. Int J Qual Health Care.

Westert, Gert P., Stef Groenewoud, John E. Wennberg, Catherine Gerard, Phil DaSilva, Femke Atsma, and David C. Goodman. "Medical Practice Variation: Public Reporting a First Necessary Step to Spark Change." Int J Qual Health Care 2018.

Westert, Gert P., et al. "Medical Practice Variation: Public Reporting a First Necessary Step to Spark Change." Int J Qual Health Care 2018.