[Protective measures in radiology. Holzknecht's problems are still current].
D001317:Austria; D049673:History, 20th Century; D006801:Humans; D011829:Radiation Dosage; D011835:Radiation Protection / Q000266:history*; D011871:Radiology / Q000266:history*; D011878:Radiotherapy; D012306:Risk
Radiologische Schutzmassnahmen. Holzknechts Fragestellungen heute noch aktuell.