Pneumoradiography |
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| Contrast Radiography, Negative; Radiography, Air; Radiography, Negative Contrast; Air Radiographies; Contrast Radiographies, Negative; Insufflation Radiographies; Negative Contrast Radiographies; Pneumoradiographies; Radiographies, Air | |
| Radiography using air, oxygen, or some other gas as a contrast medium. | |