Source: https://www.researchgate.net/profile/Yusuf-Kizil/publication/23424854_Impact_of_isotonic_and_hypertonic_saline_solutions_on_mucociliary_activity_in_various_nasal_pathologies_Clinical_study/links/09e4150efb5f6245ed000000/Impact-of-isotonic-and-hypertonic-saline-solutions-on-mucociliary-activity-in-various-nasal-pathologies-Clinical-study.pdf