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Murphy, K E; Hannah, M E; Willan, A R; Hewson, S A; Ohlsson, A; Kelly, E N; Matthews, S G; Saigal, S; Asztalos, E; Ross, S; Delisle, M F; Amankwah, K; Guselle, P; Gafni, A; Lee, S K; Armson, B A; MACS Collaborative Group (2008). Multiple courses of antenatal corticosteroids for preterm birth (MACS): a randomised controlled trial. Lancet, 372(9656):2143-2151.