Non-Latin script reference not evaluated.

Pediatric retinal vascular diseases, 2019: title page (Sang Jin Kim) title page verso (Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University, Seoul, South Korea)

Samsung Hospital website, Feb. 11, 2020: doctor profile page (Kim Sang-jin = 김 상진; Kim Sang Jin; ophthalmology, associate professor, Samsung Medical Center, Sungkyunkwan University) http://www.samsunghospital.com/m/reservation/common/doctorProfile.do?DR_NO=1069