APA Citation

Messmer, E., Chan, C., Asbell, P., Johnson, G., Sloesen, B., & Cook, N. (2019). Comparing the needs and preferences of patients with moderate and severe dry eye symptoms across four countries. BMJ Open Ophthalmol.

Chicago Style Citation

Messmer, Elisabeth, Colin Chan, Penny Asbell, Gary Johnson, Brigitte Sloesen, and Nigel Cook. "Comparing the Needs and Preferences of Patients With Moderate and Severe Dry Eye Symptoms Across Four Countries." BMJ Open Ophthalmol 2019.

MLA Citation

Messmer, Elisabeth, et al. "Comparing the Needs and Preferences of Patients With Moderate and Severe Dry Eye Symptoms Across Four Countries." BMJ Open Ophthalmol 2019.

Warning: These citations may not always be 100% accurate.