TABLE 2.

Top 10 institutions in the studies of vitamin D and reproductive health.

Rank	Institution	Country	Quantity	STC	ACI	Total link strength
1	Harvard University	United States	96	2,884	30.04	95
2	University of Copenhagen	Denmark	68	1,601	23.54	149
3	Harvard Medical School	United States	47	1,031	21.94	145
4	Harvard T.H. Chan School of Public Health	United States	45	1,316	29.24	61
5	University of Southampton	England	45	1,351	30.02	126
6	University of Toronto	Canada	44	1,066	24.23	82
7	Brigham and Women’s Hospital	United States	43	1,350	31.40	127
8	University of London	England	43	1,364	31.72	63
9	Medical University of South Carolina	United States	42	2,756	65.62	43
10	National Institutes of Health	United States	41	792	19.32	55

STC, sum of the times cited; ACI, average citations per item.