TY - RPRT TI - Sphingosine-1-phosphate: dual messenger functions. AU - Shawn G Payne AU - Sheldon Milstien AU - Sarah Spiegel PY - 2002 DO - 10.1016/s0014-5793(02)03480-4 UR - https://pubmed.ncbi.nlm.nih.gov/12401202/ ID - 12401202 ER -