title: [The present state of the recombinant DNA research in U.S.A. ((author's transl)].
mesh_terms: D000818:Animals; D001001:Anura; D003090:Coliphages; D004262:DNA Restriction Enzymes; D004274:DNA, Recombinant; D004331:Drosophila melanogaster; D004926:Escherichia coli; D004992:Ethics, Medical; D005821:Genetic Techniques; D008722:Methods; D009316:National Institutes of Health (U.S.); D009693:Nucleic Acid Hybridization; D010957:Plasmids; D012333:RNA, Messenger / Q000302:isolation & purification; D012335:RNA, Ribosomal / Q000032:analysis; D012926:Social Control, Formal; D014481:United States
chemical_list: D004274:DNA, Recombinant; D012333:RNA, Messenger; D012335:RNA, Ribosomal; D004262:DNA Restriction Enzymes