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Garland SM, Lees MI, Skurrie IJ.Garland SM, et al.Aust N Z J Obstet Gynaecol. 1990 Feb;30(1):83-6. doi: 10.1111/j.1479-828x.1990.tb03205.x.Aust N Z J Obstet Gynaecol. 1990.PMID: 2346458