title: Physical mapping of bacteriophage T4.
mesh_terms: D002874:Chromosome Mapping; D004262:DNA Restriction Enzymes / Q000378:metabolism; D004279:DNA, Viral / Q000235:genetics*; D004926:Escherichia coli / Q000235:genetics; D005814:Genes, Viral; D009693:Nucleic Acid Hybridization; D009876:Operon; D012367:RNA, Viral / Q000235:genetics; D013604:T-Phages / Q000235:genetics*
chemical_list: D004279:DNA, Viral; D012367:RNA, Viral; D004262:DNA Restriction Enzymes