Jing Li ophthalmologist, Yinglin Liao doctoral student, Shi-Yao Zhang doctoral student, Ling Jin statistician, Nathan Congdon professor, Zixin Fan ophthalmologist et al
Li J, Liao Y, Zhang S, Jin L, Congdon N, Fan Z et al.
Effect of laughter exercise versus 0.1% sodium hyaluronic acid on ocular surface discomfort in dry eye disease: non-inferiority randomised controlled trial
BMJ 2024; 386 :e080474
doi:10.1136/bmj-2024-080474