Subjects
- Leg -- surgery1
- Lighting1
- Lung Volume Measurements1
- Massachusetts1
- Masturbation1
- Mental Fatigue1
- Missouri1
- Muscular Atrophy1
- Musculoskeletal Abnormalities1
- Myopia -- epidemiology1
- Neck -- surgery1
- Nervous System Diseases1
- New York1
- North Mountain School of Physical Culture.1
- Ohio1
- Optic Atrophy1
- Orthopedic Procedures1
- Orthopedic Procedures -- methods1
- Osteosarcoma -- surgery1
- Osteotomy -- methods1