Characterising Long Covid: a living systematic review update with controlled studies
Michelen M., Sigfrid L., Kartsonaki C., Shemilt I., Hastie C., O'Hara ME., Suett JC., Stelson EA., Bugaeva P., Dahmash D., Rigby I., Munblit D., Harriss E., Burls A., Cheng V., Scott JT., Carson G., Olliaro PL., Stavropoulou C.