[Comparative studies of the roentgenological identification limits of silicotic nodules in the lung].
D006801:Humans; D008962:Models, Theoretical; D011859:Radiography; D012829:Silicosis / Q000000981:diagnostic imaging*; D012830:Silicotuberculosis / Q000000981:diagnostic imaging*
Vergleichende experimentelle Untersuchungen zur röntgenologischen Darstellbarkeitsgrenze silikotischer Knötchen in der Lunge.