Shanmugam, S., Park, J.H., Kim, K.S., Piao, Z.Z., Yong, C.S., Choi, H.G. and Woo, J.S. (2011) Enhanced Bioavailability and Retinal Accumulation of Lutein from Self-Emulsifying Phospholipid Suspension (SEPS). International Journal of Pharmaceutics, 412, 99-105.