TABLE 1.

Top ten productive country/region and institutions on transdermal drug delivery(2003–2022).

Rank	Country/region	Article counts	Centrality	Total number of citations	Average number of citations	Institutions	Article counts	Total number of citations
1	China	491	0.13	11,155	22.72	Egyptian Knowledge Bank	124	3,230
2	United States	474	0.37	21,847	46.09	Jamia Hamdard University	52	1,775
3	India	431	0.34	11,589	26.89	Mercer University	48	1,405
4	South Korea	184	0.05	6,082	33.05	Cairo University	46	1,430
5	UK	121	0.28	3,934	32.51	Queens University Belfast	43	3,066
6	Egypt	125	0.07	3,239	25.91	University of California System	42	3,325
7	Saudi Arabia	79	0.03	2,090	26.46	University System of Georgia	40	8,401
8	Thailand	58	0.02	1,062	18.31	King Saud University	38	1,371
9	Germany	57	0.08	2,188	38.39	Chinese Academy of Sciences	33	1,483
10	Pakistan	54	0.04	632	11.7	Chang Gung University	31	1,052