title: Colorimetric estimation of vitamin A with trichloroacetic acid.
mesh_terms: D000818:Animals; D003124:Colorimetry / Q000379:methods; D007202:Indicators and Reagents; D008099:Liver / Q000032:analysis; D008832:Microchemistry; D014238:Trichloroacetic Acid; D014801:Vitamin A / Q000032:analysis*
chemical_list: D007202:Indicators and Reagents; D014801:Vitamin A; D014238:Trichloroacetic Acid