title: A novel recombinant of phage lambda and a conserved 3000-base-pair fragment of Xenopus laevis ribosomal deoxyribonucleic acid produced by restriction with endonucleases Hind III/BamI [proceedings].
mesh_terms: D000818:Animals; D003090:Coliphages; D004247:DNA; D004262:DNA Restriction Enzymes; D004274:DNA, Recombinant; D004279:DNA, Viral; D009693:Nucleic Acid Hybridization; D014981:Xenopus
chemical_list: D004274:DNA, Recombinant; D004279:DNA, Viral; D004247:DNA; D004262:DNA Restriction Enzymes