Gramzow, M., Schröder, H. C., Fritsche, U., Kurelec, B., Robitzki, A., Zimmermann, H., et al. (1989). Role of phospholipase A2 in the stimulation of sponge cell proliferation by homologous lectin. Cell, 59(5), 939-948. doi:10.1016/0092-8674(89)90616-8.