title: [The University of X-ray laboratory Assistants. Lesson 1. Million microns].
authors.affiliation: Scientific-Practical Center of Medical Radiology, Moscow.
authors.forename: E G
authors.initials: EG
authors.lastname: Chikirdin
mesh_terms: D006801:Humans; D008433:Mathematics; D011834:Radiation Monitoring / Q000379:methods / Q000592:standards; D011839:Radiation, Ionizing; D009626:Terminology as Topic