CONCERNING HIGH VOLTAGE TECHNIQUE AND ACCESSORIES.
D041981:Gastrointestinal Tract; D006801:Humans; D007830:Larynx; D010256:Paranasal Sinuses; D011859:Radiography; D013902:Radiography, Thoracic; D011871:Radiology; D013679:Technology, Radiologic
GASTROINTESTINAL SYSTEM; LARYNX; PARANASAL SINUSES; RADIOGRAPHY; TECHNOLOGY, RADIOLOGIC; THORACIC RADIOGRAPHY