TY - RPRT TI - Structural modifications imparting reduced toxicity in microcystins from Microcystis spp. AU - R R Stotts AU - M Namikoshi AU - W M Haschek AU - K L Rinehart AU - W W Carmichael AU - A M Dahlem AU - V R Beasley PY - 1993 DO - 10.1016/0041-0101(93)90384-u UR - https://pubmed.ncbi.nlm.nih.gov/8342176/ ID - 8342176 ER -