title: Nitrogen pretreatment period required for complete elimination of the oxygen effect in x-rayed drosophila embryos.
mesh_terms: D000818:Animals; D004330:Drosophila / Q000187:drug effects / Q000196:embryology / Q000528:radiation effects*; D005260:Female; D009584:Nitrogen / Q000494:pharmacology*; D010063:Ovum / Q000187:drug effects / Q000528:radiation effects; D010100:Oxygen; D011830:Radiation Effects
chemical_list: D009584:Nitrogen; D010100:Oxygen