1. Enhanced external counterpulsation improves sleep quality in chronic insomnia: A pilot randomized controlled study
   Xiuli Xu et al, 2024, Journal of Affective Disorders CrossRef
2. Feature of Ocular-Ischemic Syndrome in Patients with Cardiovascular Pathology. Literature Review
   M. A. Frolov et al, 2020, Ophthalmology in Russia CrossRef
3. Expert consensus on the clinical application of enhanced external counterpulsation in elderly people (2019)
   Shen Lin et al, 2020, AGING MEDICINE CrossRef
4. Evaluation of enhanced external counterpulsation therapy for nonarteritic anterior ischemic optic neuropathy
   Lixia Lin et al, 2020, BMC Ophthalmology CrossRef