title: A simple ultramicro method for determination of pyridine nucleotides in tissues.
mesh_terms: D000818:Animals; D001671:Biochemistry / Q000592:standards; D004355:Drug Stability; D007668:Kidney / Q000032:analysis*; D008099:Liver / Q000032:analysis*; D008722:Methods; D008832:Microchemistry; D009243:NAD / Q000032:analysis*; D009249:NADP / Q000032:analysis*; D010084:Oxidation-Reduction; D051381:Rats; D013053:Spectrophotometry; D013154:Spleen / Q000032:analysis*; D014020:Tissue Extracts / Q000032:analysis
chemical_list: D014020:Tissue Extracts; D009243:NAD; D009249:NADP