[PRESACRAL MEDIASTINOGRAPHY WITH THE USE OF NITROUS OXIDE].
D006801:Humans; D008478:Mediastinal Emphysema; D009609:Nitrous Oxide; D011012:Pneumomediastinum, Diagnostic; D012445:Sacrococcygeal Region
D009609:Nitrous Oxide
PNEUMOMEDIASTINUM, DIAGNOSTIC; SACROCOCCYGEAL REGION
PRESAKRAL'NAIA MEDIASTINOGRAFIIA ZAKIS'IU AZOTA.