title: Counting chlamydial particles by negative staining with Congo red.
mesh_terms: D000143:Acids; D000818:Animals; D001431:Bacteriological Techniques; D002452:Cell Count; D002642:Chick Embryo; D002689:Chlamydia; D002690:Chlamydia Infections / Q000382:microbiology; D003224:Congo Red; D046508:Culture Techniques; D000431:Ethanol; D007840:Latex; D008581:Meningitis / Q000382:microbiology; D051379:Mice; D008863:Microspheres; D011014:Pneumonia / Q000382:microbiology; D013194:Staining and Labeling; D013535:Suspensions
chemical_list: D000143:Acids; D007840:Latex; D013535:Suspensions; D000431:Ethanol; D003224:Congo Red