Huang Y, Yang J, Shen J, Chen FF, Yu Y. Sphingolipids are involved in N-methyl-N′-nitro-N-nitrosoguanidine-induced epidermal growth factor receptor clustering. Biochemical and Biophysical Research Communications. 2005 May;330(2):430–8. doi: 10.1016/j.bbrc.2005.03.002.