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Ophthalmology
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10
World Health Organization
7
Cataract Extraction
3
Equipment and Supplies
3
Physicians
3
Operating Rooms
2
Helmholtz, Hermann von, 1821-1894.
1
History of Medicine
1
Mother-Child Relations
1
Mothers
1
Ophthalmoscopes
1
Patients
1
Physical Examination
1
Surgical Instruments
1