Pathophysiological relationship between COVID-19 and olfactory dysfunction: A systematic review Mateus Henrique de Las Casas Lima; Ana Luiza Brusiquesi Cavalcante; Sydney Correia Leão;

Olfactory and taste disorders in COVID-19: a systematic review Klinger V.T. da Costa; Aline Tenório Lins Carnaúba; Katianne Wanderley Rocha; Kelly Cristina Lyra de Andrade; Sonia M.S. Ferreira; Pedro de L. Menezes;

Therapeutic effects of olfactory training and systemic vitamin A in patients with COVID-19-related olfactory dysfunction: a double-blinded randomized controlled clinical trial Abolfazl Taheri; Maryam Naderi; Nematollah Jonaidi Jafari; Hamid Emadi Koochak; Mohsen Saberi Esfeedvajani; Reyhaneh Abolghasemi;