Table 3. Statistics of highly cited DR publication in TCM (Top 5).

Study	Title	Cited frequency
Xie and Wang, 1995[13]	TCM analysis on the pathogenesis of diabetic retinopathy	180
Duan et al, 2011[14]	TCM diagnosis and treatment standards of diabetic retinopathy	153
Duan et al, 2006[18]	Randomized controlled double-blind multicentric clinical trial on non-proliferative diabetic retinopathy treated by Qi-ming granule	111
Li et al, 2000[19]	Study on relationship between traditional Chinese medicine syndrome types of diabetes mellitus and stages of diabetic retinopathy	110
Li and Xia, 2000[20]	Clinical study on TCM syndrome differentiation of diabetic retinopathy	90

DR: Diabetic retinopathy; TCM: Traditional Chinese medicine.