title: Staining mast cells in human gingiva.
mesh_terms: D004950:Esterases / Q000494:pharmacology; D005881:Gingiva / Q000033:anatomy & histology*; D006801:Humans; D066298:In Vitro Techniques; D008407:Mast Cells / Q000032:analysis*; D013194:Staining and Labeling
chemical_list: D004950:Esterases