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Rao RU, Atkinson LJ, Ramzy RM, Helmy H, Farid HA, Bockarie MJ, Susapu M, Laney SJ, Williams SA, Weil GJ.Rao RU, et al. Among authors: helmy h.Am J Trop Med Hyg. 2006 May;74(5):826-32.Am J Trop Med Hyg. 2006.PMID: 16687688Free PMC article.
Helmy H, Fischer P, Farid HA, Bradley MH, Ramzy RM.Helmy H, et al.Trop Med Int Health. 2004 Jan;9(1):158-63. doi: 10.1046/j.1365-3156.2003.01155.x.Trop Med Int Health. 2004.PMID: 14728620Free article.
Farid HA, Morsy ZS, Helmy H, Ramzy RM, El Setouhy M, Weil GJ.Farid HA, et al. Among authors: helmy h.Am J Trop Med Hyg. 2007 Oct;77(4):593-600.Am J Trop Med Hyg. 2007.PMID: 17978055Free PMC article.
Ramzy RM, el-Setouhy M, Helmy H, Kandil AM, Ahmed ES, Farid HA, Faris R, Weil GJ.Ramzy RM, et al. Among authors: helmy h.Am J Trop Med Hyg. 2002 Aug;67(2):196-200. doi: 10.4269/ajtmh.2002.67.196.Am J Trop Med Hyg. 2002.PMID: 12389947Clinical Trial.
Hussein O, El Setouhy M, Ahmed ES, Kandil AM, Ramzy RM, Helmy H, Weil GJ.Hussein O, et al. Among authors: helmy h.Am J Trop Med Hyg. 2004 Oct;71(4):471-7.Am J Trop Med Hyg. 2004.PMID: 15516645Free article.Clinical Trial.
Helmy H, Weil GJ, Ellethy AS, Ahmed ES, Setouhy ME, Ramzy RM.Helmy H, et al.Trans R Soc Trop Med Hyg. 2006 Jul;100(7):656-62. doi: 10.1016/j.trstmh.2005.08.015. Epub 2006 Jan 18.Trans R Soc Trop Med Hyg. 2006.PMID: 16414095
El Setouhy M, Ramzy RM, Ahmed ES, Kandil AM, Hussain O, Farid HA, Helmy H, Weil GJ.El Setouhy M, et al. Among authors: helmy h.Am J Trop Med Hyg. 2004 Feb;70(2):191-6.Am J Trop Med Hyg. 2004.PMID: 14993632Free article.Clinical Trial.