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Vermeulen, Marian J., Astrid Guttmann, Therese A. Stukel, Ashif Kachra, Marco L A. Sivilotti, Brian H. Rowe, Jonathan Dreyer, Robert Bell, ja Michael Schull. "Are Reductions in Emergency Department Length of Stay Associated With Improvements in Quality of Care? A Difference-in-differences Analysis." BMJ Qual Saf 2016.

Vermeulen, Marian J., et al. "Are Reductions in Emergency Department Length of Stay Associated With Improvements in Quality of Care? A Difference-in-differences Analysis." BMJ Qual Saf 2016.