title: The enterotoxin plasmids of Escherichia coli.
mesh_terms: D002499:Centrifugation, Density Gradient; D004270:DNA, Circular / Q000032:analysis / Q000302:isolation & purification; D004768:Enterotoxins / Q000096:biosynthesis* / Q000145:classification; D004926:Escherichia coli / Q000032:analysis / Q000145:classification / Q000166:cytology / Q000378:metabolism*; D005111:Extrachromosomal Inheritance; D005827:Genetics, Microbial; D008854:Microscopy, Electron
chemical_list: D004270:DNA, Circular; D004768:Enterotoxins