Extracellular phosphorylation converts pigment epithelium-derived factor from a neurotrophic to an antiangiogenic factor
Blood (2005) - Comment
pubmed: 15374885  doi: 10.1182/blood-2004-04-1569  issn: 0006-4971  issn: 1528-0020 

Galia Maik-Rachline, Shmuel Shaltiel, Rony Seger