Region
United States
831
États-Unis
267
Great Britain
44
China
25
United Kingdom
25
Developing countries
23
New Jersey
16
Pennsylvania
16
Canada
11
Grande-Bretagne
10
India
10
Australia
8
Japan
7
Amérique du Nord
6
Chine
6
Latin America
6
Caribbean Area
5
Europe
5
New York (State)
5
Nigeria
5
Spain
5
Africa
4
Argentina
4
Mexico
4
New York
4
North America
4
Virginie-Occidentale
4
West Virginia
4
Africa, Southern
3
Chile
3
Mediterranean Region
3
Netherlands
3
Peru
3
Philadelphia
3
Turkey
3
USA
3
Uruguay
3
États-Unis
3
�Etats-Unis
2
Alaska
2
Amérique latine
2
Asia
2
Australie
2
Bangladesh
2
Biologia Celular
2
California
2
Colombia
2
Commonwealth countries
2
Egypt
2
England
2
more ...