Physical education and training 43 Study and teaching (Secondary) 33 Physics 30 Study and teaching 21 Exercise 16 Physical fitness 16 Thin films 15 Analysis 13 Tomography, X-Ray Computed 13 Magnetic Resonance Imaging 10 Particles (Nuclear physics) 10 methods 10 Electric properties 9 diagnostic imaging 9 therapy 9 Physiological aspects 8 Attitudes 7 Nanostructured materials 7 Radiation Dosage 7 Radiometry 7 Sputtering (Physics) 7 Students 7 Chemistry, Physical and theoretical 6 Mammography 6 Optical properties 6 Optically Stimulated Luminescence Dosimetry 6 Phantoms, Imaging 6 Phase transformations (Statistical physics) 6 Physical distribution of goods 6 Psychological aspects 6