An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Abbas K, el Toum IA, el Hassan AM.Abbas K, et al. Among authors: el toum ia.Oral Surg Oral Med Oral Pathol. 1992 May;73(5):583-4. doi: 10.1016/0030-4220(92)90103-w.Oral Surg Oral Med Oral Pathol. 1992.PMID: 1325634
Zijlstra EE, Siddig Ali M, el-Hassan AM, Hofland HW, el-Toum I, Satti M, Ghalib HW.Zijlstra EE, et al.Trans R Soc Trop Med Hyg. 1993 May-Jun;87(3):307-9. doi: 10.1016/0035-9203(93)90140-l.Trans R Soc Trop Med Hyg. 1993.PMID: 8236402Clinical Trial.
el Hassan AM, Ghalib HW, Zijlstra EE, Eltoum IA, Satti M, Ali MS, Ali HM.el Hassan AM, et al.Trans R Soc Trop Med Hyg. 1992 May-Jun;86(3):245-8. doi: 10.1016/0035-9203(92)90294-m.Trans R Soc Trop Med Hyg. 1992.PMID: 1329273
Zijlstra EE, Ali MS, el-Hassan AM, el-Toum IA, Satti M, Ghalib HW, Kager PA.Zijlstra EE, et al. Among authors: el toum ia.Trans R Soc Trop Med Hyg. 1992 Sep-Oct;86(5):505-7. doi: 10.1016/0035-9203(92)90086-r.Trans R Soc Trop Med Hyg. 1992.PMID: 1475815
Zijlstra EE, Ali MS, el-Hassan AM, el-Toum IA, Satti M, Ghalib HW, Sondorp E, Winkler A.Zijlstra EE, et al. Among authors: el toum ia.Trans R Soc Trop Med Hyg. 1991 May-Jun;85(3):365-9. doi: 10.1016/0035-9203(91)90293-8.Trans R Soc Trop Med Hyg. 1991.PMID: 1658990
el-Hassan AM, el-Sheikh EA, Eltoum IA, Ghalib HW, Ali MS, Zijlstra E, Satti MM.el-Hassan AM, et al.Trans R Soc Trop Med Hyg. 1991 Jul-Aug;85(4):471-3. doi: 10.1016/0035-9203(91)90222-k.Trans R Soc Trop Med Hyg. 1991.PMID: 1755051No abstract available.
Zijlstra EE, Ali MS, el-Hassan AM, el-Toum IA, Satti M, Ghalib HW, Kager PA.Zijlstra EE, et al. Among authors: el toum ia.Trans R Soc Trop Med Hyg. 1991 Jul-Aug;85(4):474-6. doi: 10.1016/0035-9203(91)90224-m.Trans R Soc Trop Med Hyg. 1991.PMID: 1755052