| Impact of COVID-19 on pediatric asthma: practice adjustments and disease burden NG Papadopoulos, A Custovic, A Deschildre, AG Mathioudakis, ... The Journal of Allergy and Clinical Immunology: In Practice, 2020 | 187 | 2020 |
| Is diet partly responsible for differences in COVID‐19 death rates between and within countries? J Bousquet, JM Anto, G Iaccarino, W Czarlewski, T Haahtela, A Anto, ... Clinical and translational allergy 10 (1), 16, 2020 | 163 | 2020 |
| X-linked agammaglobulinemia (XLA): Phenotype, diagnosis, and therapeutic challenges around the world ZA El-Sayed, I Abramova, JC Aldave, W Al-Herz, L Bezrodnik, R Boukari, ... World Allergy Organization Journal 12 (3), 100018, 2019 | 108 | 2019 |
| Childhood asthma outcomes during the COVID‐19 pandemic: findings from the PeARL multi‐national cohort NG Papadopoulos, AG Mathioudakis, A Custovic, A Deschildre, ... Allergy 76 (6), 1765-1775, 2021 | 89 | 2021 |
| Nrf2‐interacting nutrients and COVID‐19: time for research to develop adaptation strategies J Bousquet, JP Cristol, W Czarlewski, JM Anto, A Martineau, T Haahtela, ... Clinical and translational allergy 10 (1), 58, 2020 | 78 | 2020 |
| Serum anti-myelin—associated glycoprotein antibodies in Egyptian autistic children GA Mostafa, Z Awad El-Sayed, M Mohamed Abd El-Aziz, ... Journal of child neurology 23 (12), 1413-1418, 2008 | 71 | 2008 |
| Manifesto on small airway involvement and management in asthma and chronic obstructive pulmonary disease: an Interasma (Global Asthma Association-GAA) and World Allergy … F Braido, N Scichilone, F Lavorini, OS Usmani, L Dubuske, LP Boulet, ... World Allergy Organization Journal 9 (1), 1-6, 2016 | 65 | 2016 |
| Cardiovascular autonomic function assessed by autonomic function tests and serum autonomic neuropeptides in Egyptian children and adolescents with rheumatic diseases ZA El-Sayed, GA Mostafa, GS Aly, GS El-Shahed, MMA El-Aziz, ... Rheumatology 48 (7), 843-848, 2009 | 36 | 2009 |
| Allergy and immunology in Africa: Challenges and unmet needs YM El-Gamal, EM Hossny, ZA El-Sayed, SM Reda Journal of Allergy and Clinical Immunology 140 (5), 1240-1243, 2017 | 32 | 2017 |
| Update on Immunodeficiency-Associated Vaccine-Derived Polioviruses—Worldwide, July 2018–December 2019 G Macklin, OM Diop, A Humayun, S Shahmahmoodi, ZA El-Sayed, H Triki, ... Morbidity and Mortality Weekly Report 69 (28), 913, 2020 | 28 | 2020 |
| Newborn screening for primary immunodeficiencies: The gaps, challenges and outlook for developing countries ZA El-Sayed, N RADWAN Frontiers in Immunology 10, 2987, 2019 | 26 | 2019 |
| Rhinitis associated with asthma is distinct from rhinitis alone: The ARIA‐MeDALL hypothesis J Bousquet, E Melén, T Haahtela, GH Koppelman, A Togias, R Valenta, ... Allergy, 2023 | 21 | 2023 |
| The Middle East and North Africa Diagnosis and Management Guidelines for Inborn Errors of Immunity S Baris, H Abolhassani, MJ Massaad, M Al-Nesf, Z Chavoshzadeh, ... The Journal of Allergy and Clinical Immunology: In Practice, 2022 | 20 | 2022 |
| The role of environmental allergen control in the management of asthma O Kalayci, M Miligkos, CFP Beltrán, ZA El-Sayed, RM Gómez, E Hossny, ... World Allergy Organization Journal 15 (3), 100634, 2022 | 18 | 2022 |
| Tumor suppressor protein p53 and anti‐p53 autoantibodies in pediatric rheumatological diseases ZA El‐Sayed, DH Farag, S Eissa Pediatric allergy and immunology 14 (3), 229-233, 2003 | 17 | 2003 |
| Challenges and choices in the pharmacological treatment of non-severe pediatric asthma: A commentary for the practicing physician O Kalayci, H Abdelateef, CFP Beltrán, ZA El-Sayed, RM Gómez, E Hossny, ... World Allergy Organization Journal 12 (9), 100054, 2019 | 16 | 2019 |
| Evaluation of Banana Hypersensitivity Among a Group of Atopic Egyptian Children: Relation to Parental/Self Reports ZA El-Sayed, DH El-Ghoneimy, D El-Shennawy, MW Nasser Allergy, asthma & immunology research 5 (3), 150-154, 2013 | 16 | 2013 |
| Real-Time PCR in the early detection of invasive fungal infection in immunodeficient infants and children ZA El-Sayed, ZE Hassan, RAR Nasr Egypt J Pediatr Allergy Immunol 10 (2), 67-74, 2012 | 14 | 2012 |
| Alpha beta double negative T cells in children with systemic lupus erythematosus: the relation to disease activity and characteristics ZA El-Sayed, RH El-Owaidy, NL Mohamed, BA Shehata Modern rheumatology 28 (4), 654-660, 2018 | 13 | 2018 |
| Utility of biomarkers in the diagnosis and monitoring of asthmatic children P Xepapadaki, Y Adachi, CFP Beltrán, ZA El-Sayed, RM Gómez, ... World Allergy Organization Journal 16 (1), 100727, 2023 | 11 | 2023 |
