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AWWAAD S, ATTIA M, REDA M.AWWAAD S, et al.Am J Trop Med Hyg. 1961 May;10:365-9. doi: 10.4269/ajtmh.1961.10.365.Am J Trop Med Hyg. 1961.PMID: 13685324No abstract available.
Rifat MA, Ismail I, el-Mahallawy MN, Awwaad S, Essawy M.Rifat MA, et al. Among authors: awwaad s.Trans R Soc Trop Med Hyg. 1969;63(3):338-42. doi: 10.1016/0035-9203(69)90007-8.Trans R Soc Trop Med Hyg. 1969.PMID: 4893919No abstract available.