Attia, M. M., M. M. Ibrahim, M. A. MAHMOUD4, and M. N. S. AL-SABI, "Huffmanela sp. (Nematoda: Trichosomoididae: Huffmanelinae) encountered in the whitecheek shark (Carcharhinus dussumieri) in the Arabian Gulf", HELMINTHOLOGIA, , vol. 58, issue 3, pp. 281 – 291, 2021.
Abdelsalam, M., M. A. Z. Ewiss, H. S. Khalefa, M. A. Mahmoud, M. Y. Elgendy, and D. A. Abdel-Monem, "Coinfections of Aeromonas spp., Enterococcus faecalis, and Vibrio alginolyticus isolated from farmed Nile tilapia and African catfish in Egypt, with an emphasis on poor water quality", Microbial Pathogenesis , vol. 160 , issue 105213, 2021.
Mahmoud, M. A., M. M. Attia, M. Abdelsalam, D. A. Abdel-moneam, and Z. M. A. Ewiss4, "Ergasilus extensus and bacterial co-infection in flathead grey mullet, Mugil cephalus (Linnaeus, 1758), are associated with pathological changes and immunological gene expression alterations", Aquaculture Research, vol. 52, pp. 6143–6151., 2021.
Eissa, A. E., M. M. Attia, M. Y. Elgendy, G. A. Ismail, N. M. Sabry, A. Prince, M. A. Mahmoud, G. O. El-Demerdash, M. Abdelsalam, and H. I. M. Derwa, "Streptococcus, Centrocestus formosanus and Myxobolus tilapiae concurrent infections in farmed Nile tilapia (Oreochromis niloticus)", Microbial Pathogenesis, vol. 158 , issue 105084, 2021.
Shawky, M., E. Taha, B. Ahmed, M. A. Mahmoud, M. abd elaziz, M. Faisal, and A. Yousi, "Initial Evidence That Gilthead Seabream (Sparus aurata L.) Is a Host for Lymphocystis Disease Virus Genotype I", animals, vol. 11, pp. 3032-3047, 2021.
Al-Salem, A. A. M., H. B. Baghdadi, M. A. Mahmoud, M. Ibrahim, and E. M. Bayoumy, "Morphomolecular and pathological study of Scaphanocephalus sp. in new host Siganus argenteus in the Arabian Gulf", DISEASES OF AQUATIC ORGANISMS Dis Aquat Org, vol. 144, pp. 221–230, 2021.
Ali, K. M., E. A. Hassan, M. M. Abuowarda, M. A. Mahmoud, and F. A. Torad, "Bilateral panophthalmia as a late sequel of leishmaniasis in dogs", Pakistan Veterinary Journal, vol. 41, issue 1, pp. 13-18, 2021.
Elgohary, I., A. E. Eissa, N. G. Fadel, J. I. A. Elatief, and M. A. Mahmoud, "Bacteriological, molecular, and pathological studies on the Gram-positive bacteria Aerococcus viridans and Enterococcus faecalis and their effects on Oreochromis niloticus in Egyptian fish farms", Aquaculture Research, vol. 52, issue 5, pp. 2220-2232, 2021.