pH-study is a routine procedure in some European laryngology offices to diagnose laryngopharyngeal reflux (LPR). Probe movements may complicate the testing leading to digestive symptoms and nose pains during the removal of the probe.

Objective Olfactory Findings in Hospitalized Severe COVID-19 Patients.Jerome R. Lechien, MD, PhD, MS1-4, Morgane Ducarme, MD5, Sammy Place, MD6, Carlos M. Chiesa-Estomba, MD, MS1,7, Mohamad Khalife, MD1,8, Giacomo De Riu, MD9, Luigi Angelo Vaira, MD9, Christophe de Terwangne, MD10, Shahram Machayekhi, MD10, Arnaud Marchant, MD, PhD11, Fabrice Journe, PhD2*, Sven Saussez, MD, PhD1,2,4*