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Ong TA, Winkler MH, Savage PM, Seckl MJ, Christmas TJ.Ong TA, et al. Among authors: christmas tj.BJU Int. 2008 Jul;102(2):198-202. doi: 10.1111/j.1464-410X.2008.07533.x. Epub 2008 Jul 1.BJU Int. 2008.PMID: 18294302