Milk lacking α-casein leads to permanent reduction in body size in mice - Kolb, A.F.; Huber, R.C.; Lillico, S.G.; Carlisle, A.; Robinson, C.J.; Neil, C.; Petrie, L.; Sorensen, D.B.; Olsson, I.A.S.; Whitelaw, C.B.A. (PLoS ONE, 2011)