title: Phage-like structures (SE-particles) in cells of the unstable and stable spheroplast type L-form of Proteus mirabilis D 52.
mesh_terms: D001435:Bacteriophages; D002462:Cell Membrane; D007740:L Forms / Q000166:cytology*; D008854:Microscopy, Electron; D011511:Proteus / Q000166:cytology*; D011513:Proteus mirabilis / Q000166:cytology; D013104:Spheroplasts / Q000166:cytology