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Ismail AA, Abdelfattah I, Faisal M, Helal A.Ismail AA, et al. Among authors: helal a.J Hazard Mater. 2018 Jan 15;342:519-526. doi: 10.1016/j.jhazmat.2017.08.046. Epub 2017 Aug 23.J Hazard Mater. 2018.PMID: 28886564
Sanad MMS, Taha TA, Helal A, Mahmoud MH.Sanad MMS, et al. Among authors: helal a.Environ Sci Pollut Res Int. 2023 May;30(21):60225-60239. doi: 10.1007/s11356-023-26767-y. Epub 2023 Apr 5.Environ Sci Pollut Res Int. 2023.PMID: 37017836
Hammed A, Helal AA, Badway R, Goda SH, Yehya A, Razik MA, Elshamy A, Elsamahy O.Hammed A, et al. Among authors: helal aa.Afr J Paediatr Surg. 2014 Apr-Jun;11(2):179-83. doi: 10.4103/0189-6725.132832.Afr J Paediatr Surg. 2014.PMID: 24841023
Helal A, Atallah O, Chaurasia B.Helal A, et al.Neurosurg Rev. 2024 May 30;47(1):248. doi: 10.1007/s10143-024-02490-1.Neurosurg Rev. 2024.PMID: 38811499No abstract available.
Helal A, El-Gebaly O, Hamed H, Omran AM, ELForse E.Helal A, et al.Arch Orthop Trauma Surg. 2024 May 15. doi: 10.1007/s00402-024-05356-9. Online ahead of print.Arch Orthop Trauma Surg. 2024.PMID: 38748257
Helal A, Alama M, Hamid A, Nishtar S.Helal A, et al.BMJ Case Rep. 2024 Apr 29;17(4):e258127. doi: 10.1136/bcr-2023-258127.BMJ Case Rep. 2024.PMID: 38684360