1. References;Chemistry of Heterocyclic Compounds: A Series Of Monographs;2008-01-02
2. References;Chemistry of Heterocyclic Compounds: A Series Of Monographs;2008-01-02
3. General References;Chemistry of Heterocyclic Compounds: A Series Of Monographs;2008-01-02
4. General List of References;Chemistry of Heterocyclic Compounds: A Series Of Monographs;2008-01-02
5. Synthesis of [4a-13C]-6-methyltetrahydropterin;Journal of Labelled Compounds and Radiopharmaceuticals;1982-10