title: [Biological effectiveness of 30-MeV electrons in relation to tissue depth and in comparison with 180-keV and 31-MeV photons. I. Lethality test on 1-hour-old Drosophilia embryos].
mesh_terms: D000818:Animals; D004583:Electrons; D004622:Embryo, Mammalian / Q000528:radiation effects*; D004625:Embryo, Nonmammalian; D017785:Photons; D011830:Radiation Effects
keywords: EMBRYO/radiation effects; RADIATION EFFECTS/experimental