RETRACTED ARTICLE: Identification of a novel Na+-coupled Fe3+-citrate transport system, distinct from mammalian INDY, for uptake of citrate in mammalian cells oleh Jiro Ogura, Ellappan Babu, Seiji Miyauchi, Sabarish Ramachandran, Elizebeta Nemeth, Yangzom D. Bhutia, Vadivel Ganapathy