[Technic of direct pneumomediastinography].
D000328:Adult; D000368:Aged; D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D011012:Pneumomediastinum, Diagnostic; D011859:Radiography
Metodika priamoĭ pnevmomediastinografii.