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Dunbar JM, Erwa H.Dunbar JM, et al.Bull World Health Organ. 1967;37(3):492-5.Bull World Health Organ. 1967.PMID: 4871711Free PMC article.No abstract available.
Mustafa MA, Erwa HH.Mustafa MA, et al. Among authors: erwa hh.Ulster Med J. 1972 Summer;41(2):161-2.Ulster Med J. 1972.PMID: 5084695Free PMC article.No abstract available.
al Fadel Saleh M, al-Madan MS, Erwa HH, Defonseka I, Sohel SZ, Sanyal SK.al Fadel Saleh M, et al. Among authors: erwa hh.Pediatrics. 1995 Jun;95(6):944-8.Pediatrics. 1995.PMID: 7761230Review.
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Omer EE, Naeem HA, Ali MH, Catterall RD, Erwa HH.Omer EE, et al. Among authors: erwa hh.East Afr Med J. 1991 Jun;68(6):455-60.East Afr Med J. 1991.PMID: 1752225
Omer EF, el-Naeem HA, Ali MH, Catterall RD, Erwa HH.Omer EF, et al. Among authors: erwa hh.J Trop Med Hyg. 1988 Dec;91(6):292-5.J Trop Med Hyg. 1988.PMID: 2462646
Omer EF, el-Naeem HA, Ali MH, Catterall RD, Erwa HH.Omer EF, et al. Among authors: erwa hh.Ethiop Med J. 1985 Oct;23(4):173-7.Ethiop Med J. 1985.PMID: 4054105No abstract available.