Ashfaq Hussain Rana, et al. “COMPARATIVE EFFECTIVENESS OF ANTIHISTAMINE NASAL SPRAY VERSUS ORAL ANTIHISTAMINE ALLERGIC RHINITIS TREATMENT”. Journal of Population Therapeutics and Clinical Pharmacology, vol. 29, no. 03, Aug. 2022, pp. 2026-31, https://doi.org/10.53555/5wr97w64.