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Subjects
- Sunlight[remove]14
- Light Coagulation -- methods2
- Skin Diseases -- therapy2
- Spectrum Analysis2
- Arm Bones -- diagnostic imaging1
- Child1
- Color Therapy1
- Communicable Diseases1
- Dental Offices1
- Glass1
- Glass -- radiation effects1
- Health Behavior1
- Heliotherapy1
- Infant1
- Infant Nutritional Physiological Phenomena1
- Microscopy1
- Occupational Health1
- Phototherapy1
- Pleasonton, A. J. (Augustus James), 1808-1894.1
- Puerto Rico -- epidemiology1