title: In vitro selection of bacteriophage Q-beta ribonucleic acid variants resistant to ethidium bromide.
mesh_terms: D000166:Acridines / Q000494:pharmacology; D003090:Coliphages / Q000187:drug effects*; D004352:Drug Resistance, Microbial; D005453:Fluorescence; D014644:Genetic Variation; D008967:Molecular Biology; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology*; D011804:Quinolines / Q000494:pharmacology*; D012367:RNA, Viral; D013053:Spectrophotometry
chemical_list: D000166:Acridines; D000644:Quaternary Ammonium Compounds; D011804:Quinolines; D012367:RNA, Viral