Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Iwai Kazuo,"The biosynthesis of folic acid compounds in plants-1,2-",Journal of vitaminology,00225398,Kyoto : The Vitamin Society of Japan,1968-06,14,2,????,https://cir.nii.ac.jp/crid/1521136280223125632,