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Hickey M, Elliott J, Davison SL.Hickey M, et al. Among authors: davison sl.BMJ. 2012 Feb 16;344:e763. doi: 10.1136/bmj.e763.BMJ. 2012.PMID: 22344303Review.No abstract available.
Davis SR, Davison SL, Wilson S, Shepherd J, Lawton B.Davis SR, et al. Among authors: davison sl.Maturitas. 2005 Jun 16;51(2):163-71. doi: 10.1016/j.maturitas.2004.07.008.Maturitas. 2005.PMID: 15917157Clinical Trial.