RET,PRO,Retinol-binding protein,MCOPCB,RBP4,MCOPCB10,RDCCAS,RBP-4,RET4,PRBP,RBP,Retinol-binding protein 4,Plasma retinol-binding protein,Cleaved into Plasma retinol-binding protein,Plasma retinol-binding protein 1-181,Plasma retinol-binding protein 1-179,Plasma retinol-binding protein(1-176),PRO2222