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Howlett TA, Grossman A, McLoughlin L, Perry L, White A, Coy DH, Rees LH, Besser GM.Howlett TA, et al. Among authors: rees lh.Clin Endocrinol (Oxf). 1989 Feb;30(2):185-90. doi: 10.1111/j.1365-2265.1989.tb03740.x.Clin Endocrinol (Oxf). 1989.PMID: 2558817Clinical Trial.