Title:
Recurrence of nasal polyps after endoscopic sinus surgery: evaluation of rate and associated risk factors
Author:
Nada A. Alshaikh, Yasmin Khali, Fatma Albati, Zainab Alawami, Huda Bubshait, Donia Mejbel

Title:
Long-Term Clinical Follow-Up of Patients With Chronic Rhinosinusitis
Author:
Ulrica Thunberg, Amanj Saber, Bo Söderquist, Svante Hugosson

Title:
Symptom outcomes after endoscopic sinus surgery for chronic rhinosinusitis with and without nasal polyps.
Author:
S. Triantos, A. Tsoumaridou, E. Exarchou, F. Athanasiadi, D. Lefantzis