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Calhoun DA, Lunøe M, Du Y, Hutson AD, Veerman M, Christensen RD.Calhoun DA, et al. Among authors: christensen rd.Pediatrics. 2000 Feb;105(2):392-7. doi: 10.1542/peds.105.2.392.Pediatrics. 2000.PMID: 10654961
Christensen RD, Brown MS, Hall DC, Lassiter HA, Hill HR.Christensen RD, et al.J Pediatr. 1991 Apr;118(4 Pt 1):606-14. doi: 10.1016/s0022-3476(05)83389-x.J Pediatr. 1991.PMID: 1901083Clinical Trial.
Li Y, Ohls RK, Rosa C, Shah M, Richards DS, Christensen RD.Li Y, et al. Among authors: christensen rd.Obstet Gynecol. 1995 Sep;86(3):428-32. doi: 10.1016/0029-7844(95)00189-x.Obstet Gynecol. 1995.PMID: 7544450
Ohls RK, Li Y, Abdel-Mageed A, Buchanan G Jr, Mandell L, Christensen RD.Ohls RK, et al. Among authors: christensen rd.Pediatr Res. 1995 Jun;37(6):806-11. doi: 10.1203/00006450-199506000-00022.Pediatr Res. 1995.PMID: 7544455