Region
United States
116
États-Unis
62
Great Britain
5
USA
5
United Kingdom
5
Europe
3
Amérique du Nord
2
Asia, Western
2
Canada
2
Grande-Bretagne
2
Kopenhagen
2
North America
2
South Asia
2
Zambia
2
États-Unis
2
Africa
1
Afrique
1
Asia
1
Asie méridionale
1
Australia
1
Australie
1
Bonn (Germany)
1
Bonn <1985>
1
Botswana
1
Denmark
1
Dental instruments
1
Deutschland
1
Developing countries
1
Diseases
1
Englisch
1
Fredericksberg
1
Georgia
1
Germany (West)
1
Großbritannien
1
Humans Diagnosis
1
Iraq
1
Köln <1990>
1
London
1
Mailand
1
Malawi
1
Marseille
1
Nashville (Tenn.)
1
New England
1
New Jersey
1
San Francisco Calif
1
South America
1
Sweden
1
Tanzania
1
Tooth diseases
1
West Indies
1
more ...