AN IMPROVED PROCEDURE FOR PURIFICATION OF L-LYSINE Α-OXIDASE FROM TRICHODERMA SP. ArticleYankevich N.B., Laugalene N.F., Vesa V.S., Smirnova I.P., Berezov T.T., Khaduev Kh.S.Voprosy Meditsinskoj Khimii. Vol. 35. 1989. P.. 84-86