Usmani, O. S., Lavorini, F., Marshall, J., Dunlop, W. C. N., Heron, L., Farrington, E., & Dekhuijzen, R. (2018). Critical inhaler errors in asthma and COPD: A systematic review of impact on health outcomes. Respir Res.

Usmani, Omar Sharif, Federico Lavorini, Jonathan Marshall, William Christopher Nigel Dunlop, Louise Heron, Emily Farrington, und Richard Dekhuijzen. "Critical Inhaler Errors in Asthma and COPD: A Systematic Review of Impact On Health Outcomes." Respir Res 2018.

Usmani, Omar Sharif, et al. "Critical Inhaler Errors in Asthma and COPD: A Systematic Review of Impact On Health Outcomes." Respir Res 2018.