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Hay WW Jr, Lucas A, Heird WC, Ziegler E, Levin E, Grave GD, Catz CS, Yaffe SJ.Hay WW Jr, et al. Among authors: grave gd.Pediatrics. 1999 Dec;104(6):1360-8. doi: 10.1542/peds.104.6.1360.Pediatrics. 1999.PMID: 10585989Review.No abstract available.