Surveillance and care for confirmed and suspected patients with COVID-19 in general practice (CovidCare): study protocol for an observational trial.
Mariell HoffmannSandra StengelJohanna ForstnerAnnika BaldaufGunter LauxFrank AluttisMarkus QreiniPeter EngeserJoachim SzecsenyiFrank Peters-KlimmPublished in: BMC family practice (2021)
German Clinical Trials Register DRKS00022054 .