Effects of the yeast extract components pyrroloquinoline quinone and aspartic acid on vitamin B12 production in Klebsiella pneumoniae IFO 13541

Masahiro OHSUGI, Hiroko NODA, Kayoko MURO, Atsuko ISHIBA, Yumi KONDO, Shouko NAKAO
1989 Journal of Nutritional Science and Vitaminology  
doi:10.3177/jnsv.35.661 fatcat:5m5e7k7bojaklonj7qjorn54q4