[Purification of adenine and thymine from desoxyribonucleic acid in view of their determination by isotopic dilution].
D000225:Adenine / Q000737:chemistry*; D004247:DNA / Q000737:chemistry*; D013941:Thymine / Q000737:chemistry*
D004247:DNA; D000225:Adenine; D013941:Thymine
ADENINE/chemistry; DESOXYRIBONUCLEIC ACID/chemistry; THYMINE/chemistry