title: Ask the expert.
authors.affiliation: Mayo Clinic, Radiation Safety, 200 First st. SW Rochester, MN 55905, USA.
authors.forename: K
authors.initials: K
authors.lastname: Classic
mesh_terms: D016288:Computer Terminals / Q000592:standards; D004583:Electrons / Q000009:adverse effects; D006283:Health Physics; D006801:Humans; D020407:Internet; D016273:Occupational Exposure; D011839:Radiation, Ionizing; D012449:Safety; D014896:Welding