Ragab, Ahmed Impact of beta thalassemia on maxillary sinuses and sino-nasal passages: A case control study. [electronic resource] - International journal of pediatric otorhinolaryngology Dec 2015 - 2253-9 p. digital Publication Type: Journal Article ISSN: 1872-8464 Standard No.: 10.1016/j.ijporl.2015.10.016 doi Subjects--Topical Terms: Case-Control StudiesChildChronic DiseaseErythrocyte TransfusionFemaleHemoglobins--analysisHumansMaleMaxillary Sinus--diagnostic imagingMultidetector Computed TomographyNasal Obstruction--complicationsNasopharynx--diagnostic imagingProspective StudiesRhinitis--complicationsSinusitis--complicationsbeta-Thalassemia--complications