Fives, A.; Russell, D. W.; Kearns, N.; Lyons, R.; Eaton, P.; Canavan, J.; Devaney, C.; O'Brien, A. The Role of Random Allocation in Randomized Controlled Trials: Distinguishing Selection Bias from Baseline Imbalance. J Multidiscip Eval 2013, 9, 33-42.