– Th? hi?n s? chuyên nghi?p c?a nhà s?n xu?t trong khâu ti?p th? s?n ph?m.Secondary fixation: To improve the contrast from the moment constructions inside the specimen and provides extra stability, a secondary fixation is performed making use of osmium tetroxide (OsO4).?ây là dòng s?n ph?m in decal kh? l?n ???c s? d?ng nhi?u nh?t Hello?n na