Bibliometric analysis of global scientific activity on umbilical cord mesenchymal stem cells: a swiftly expanding and shifting focus

Table 1 Publications in the 10 most productive countries

Country	N	%	N per million people	N per trillion GDP	H-index	Total citations
Mainland China	558	46.27	0.41	26.23	43	6858
South Korea	160	13.27	3.14	82.94	36	3838
USA	136	11.28	0.42	7.33	34	3949
Iran	53	4.39	0.64	36.33	9	289
India	43	3.57	0.03	4.93	15	684
Italy	42	3.48	0.68	18.91	17	1029
Taiwan	38	3.15	1.62	33.72	19	2841
Germany	37	3.07	0.46	9.30	16	3395
England	35	2.90	0.54	12.55	14	1056
Japan	29	2.40	0.23	5.88	14	711

ISSN: 1757-6512