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. 2019 Jun 24;32(4):409–419. doi: 10.1038/s41443-019-0161-8

Table 2.

The top 20 countries and institutes publications in erectile dysfunction research

Rank Country/region Count Percent Institute Count Percent
1 USA 2896 32.613 Univ Florence 218 2.455
2 Italy 985 11.092 Univ Calif San Francisco 185 2.083
3 Peoples R China 867 9.764 Mem Sloan Kettering Canc Ctr 161 1.813
4 England 639 7.196 Tulane Univ 127 1.43
5 Turkey 530 5.968 Univ Roma La Sapienza 112 1.261
6 Germany 475 5.349 Cairo Univ 104 1.171
7 South Korea 445 5.011 Eli Lilly Co 103 1.16
8 Canada 427 4.809 Univ Sao Paulo 97 1.092
9 Brazil 405 4.561 Seoul Natl Univ 96 1.081
10 Australia 294 3.311 Univ Vita Salute San Raffaele 94 1.058
11 France 282 3.176 Baylor Coll Med 92 1.036
12 Japan 276 3.108 Maggiore Bellaria Hosp 92 1.036
13 Egypt 244 2.748 Harvard Univ 89 1.002
14 Taiwan 228 2.568 Mayo Clin 86 0.968
15 Spain 221 2.489 Johns Hopkins Univ 85 0.957
16 Netherlands 219 2.466 Northwestern Univ 84 0.946
17 Belgium 172 1.937 Pfizer Inc 81 0.912
18 India 167 1.881 Univ Calif Los Angeles 77 0.867
19 Greece 157 1.768 Univ Washington 75 0.844
20 Sweden 141 1.588 Duke Univ 73 0.822