Given the overlapping clinical features of sino-nasal immunoglobulin 4-related disease (IgG4-RD) to rhinitis or rhinosinusitis, this paper aims to delineate this rare, isolated manifestation significant to physicians for their daily practice and researchers contributing to this field.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8133096PMC
http://dx.doi.org/10.1002/ccr3.4207DOI Listing

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