Bibliografisk träff 1984-03-01 Derivatives of methanopterin, a coenzyme involved in methanogenesis. van Beelen P, Labro JF, Keltjens JT, Geerts WJ, Vogels GD, Laarhoven WH, Guijt W, Haasnoot CA. Eur J Biochem · research support, non-u.s. gov't; journal article · DOI 10.1111/j.1432-1033.1984.tb08014.x