Volume & Issue: Volume 20, Issue 1, January 2021, Pages 1-81 

Letter to Editor

Programmed Cell Death Protein 1 (PD-1) Molecule in Coronavirus Disease 2019 (COVID-19)?

Pages 1-2

Esmaeil Mortaz; Hamidreza Jamaati; Mohammad Varahram; Neda K. Dezfuli; Ian M. Adocok

An Innovative Method for Using the Endotracheal Tube in COVID-19

Pages 3-4

Alireza Jahangirifard; Mohammad Feghhi; Alireza Salimi; Shahram Sayadi; Seyed Bashir Mirtajani

Review Article

A Systematic Review and Meta-Analysis of Prevalence of Obstructive Sleep Apnea in Iranian Patients with Cardiovascular Disease: Perspective of Prevention, Care and Treatment

Pages 7-14

Mahboubeh Farasat; Hero Khwrshid Hassan; Niloufar Mirzaei; Ali Hasanpour Dehkordi; Reza Ghanei Gheshlagh

Effect of Tracheal Suctioning on Cuff Pressure in Mechanically Ventilated Patients: a Quasi-Experimental Study

Pages 22-28

Roghieh Nazari; Hamid Sharif Nia; Fatemeh Hajihosseini; Zahra Beheshti; Mojgan Panjoo; Pardis Rahmatpour

Assessment of Quality of Life and the Risk of Obstructive Sleep Apnea in Individuals with Chronic Rhinosinusitis who are Candidate for Functional Endoscopic Sinus Surgery

Pages 36-42

Jahangir Ghorbani; Shahabeddin Goudarzi; Parisa Adimi Naghan; Afshin Nikravesh; Somayeh Akhavan; Alireza Afshar; Payam Abbasi

Effect of COPD on Health-Related Quality of Life; Results from the BOLD Study in Iran

Pages 51-58

Hooman Sharifi; Mostafa Ghanei; Hamidreza Jamaati; Mohammad Reza Masjedi; Hadis Najafimehr; Atefeh Fakharian; Mahshid Aryanpour; A. Sonia Buist

Effects of Simultaneous Exposure to Smoking and Welding Fume on Pulmonary Function Tests in Spot Welders

Pages 64-70

Gholamreza Pouryaghoub; Elham Nazem; Ramin Mehrdad; Maryam Saraei; Sahar Eftekhari

Case Report

COVID-19 Reinfection in a Patient with Hodgkin Lymphoma: a Case Report

Pages 71-74

Atefeh Fakharian; Hamed Ebrahimibagha; Maryam Mirenayat; Fargol Farahmandi