Sadatsafavi, M., Xie, H., Etminan, M., Johnson, K., & FitzGerald, J. M. (2018). The association between previous and future severe exacerbations of chronic obstructive pulmonary disease: Updating the literature using robust statistical methodology. PLoS One.

Sadatsafavi, Mohsen, Hui Xie, Mahyar Etminan, Kate Johnson, and J. Mark FitzGerald. "The Association between Previous and Future Severe Exacerbations of Chronic Obstructive Pulmonary Disease: Updating the Literature Using Robust Statistical Methodology." PLoS One 2018.

Sadatsafavi, Mohsen, et al. "The Association between Previous and Future Severe Exacerbations of Chronic Obstructive Pulmonary Disease: Updating the Literature Using Robust Statistical Methodology." PLoS One 2018.