title: Physical map of coliphage N4 DNA.
mesh_terms: D010582:Bacteriophage lambda / Q000201:enzymology; D001483:Base Sequence; D003090:Coliphages / Q000032:analysis*; D004262:DNA Restriction Enzymes / Q000378:metabolism; D004279:DNA, Viral / Q000032:analysis*; D003851:Deoxyribonucleases / Q000378:metabolism; D004587:Electrophoresis, Agar Gel; D005092:Exonucleases / Q000378:metabolism; D009693:Nucleic Acid Hybridization
chemical_list: D004279:DNA, Viral; D003851:Deoxyribonucleases; D005092:Exonucleases; D004262:DNA Restriction Enzymes