The negative impact of the COVID-19 lockdown on pain and physical function in patients with end-stage hip or knee osteoarthritis.
Franz EndstrasserMatthias BraitoMarkus LinserAnna SpicherMoritz WagnerAlexander BrunnerPublished in: Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA (2020)
II (Prospective cohort study).