title: Preventing evaporation of antiserum during indirect immunocytochemical staining.
mesh_terms: D006651:Histocytochemistry / Q000379:methods*; D007106:Immune Sera; D007120:Immunochemistry / Q000379:methods*; D011138:Polytetrafluoroethylene
chemical_list: D007106:Immune Sera; D011138:Polytetrafluoroethylene