Prognosis of patients with long COVID symptoms: a protocol for a longitudinal cohort study at a primary care referred outpatient clinic in Helsinki, Finland.
Hélène VirrantausHelena LiiraTatiana PosharinaAleksandra SulgTeemu MäntyläMari KanervaSini LaaksoMarkku SainioAntti MalmivaaraAki VuokkoMikko VaronenMikko S VenäläinenJari ArokoskiPublished in: BMJ open (2023)
NCT05699512; Pre-results.