Ámbito geográfico
United States
455
Estados Unidos
38
États-Unis
38
USA
12
Great Britain
9
Europe
7
Mexico
4
North America
4
Virginia
4
Confederate States of America
3
France
3
Georgia
3
Southern States
3
Texas
3
Boston
2
Boston (Mass.)
2
Italy
2
Latin America
2
Massachusetts
2
Netherlands
2
Pennsylvania
2
Soviet Union
2
Spain
2
Stany Zjednoczone
2
Tennessee
2
©Etats-Unis
1
20th century
1
7.150
1
Afrique du Sud
1
Alsace (France)
1
Amérique du Nord (Est)
1
Argentina
1
Arizona
1
Austria
1
Brazil
1
California
1
China
1
Correspondence
1
Dade County
1
Dallas
1
Detroit
1
ESTADOS UNIDOS
1
England
1
English-speaking countries
1
Europe, Western
1
Florida
1
Foreign countries
1
Förenta staterna
1
Germany
1
Gynecology
1
más…