Metacytofilin, a novel immunomodulator produced by Metarhizium sp. TA2759 - Iijima, M; Masuda, T; Nakamura, H; Naganawa, H; Kurasawa, S; Okami, Y; Ishizuka, M; Takeuchi, T; Iitake, Y (J Antibiot (Tokyo), 1992)