title: Determination of intracellular pH by color film histophotometry of frozen in situ rat brain.
mesh_terms: D000818:Animals; D001921:Brain / Q000166:cytology / Q000378:metabolism*; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D009499:Neutral Red; D010781:Photography; D051381:Rats
chemical_list: D009499:Neutral Red