title: Crevicular fluid: origin, composition, methods of collection, and clinical significance.
mesh_terms: D002199:Capillary Permeability; D004573:Electrolytes; D004848:Epithelium / Q000502:physiology; D005881:Gingiva / Q000502:physiology; D005883:Gingival Crevicular Fluid / Q000032:analysis / Q000166:cytology / Q000201:enzymology; D005891:Gingivitis / Q000503:physiopathology*; D006801:Humans
chemical_list: D004573:Electrolytes