title: Ultrastructural studies of Chlamydia psittaci 6BC variant strains. I. Ultrastructure of the surface layers of egg-passaged 6bc strain.
mesh_terms: D000818:Animals; D002462:Cell Membrane; D002499:Centrifugation, Density Gradient; D002642:Chick Embryo; D002689:Chlamydia / Q000166:cytology* / Q000302:isolation & purification; D005260:Female; D005976:Glutaral; D008854:Microscopy, Electron; D009154:Mutation; D009992:Osmium; D013194:Staining and Labeling; D013395:Sucrose; D013499:Surface Properties; D014817:Vitelline Membrane
chemical_list: D009992:Osmium; D013395:Sucrose; D005976:Glutaral