Health care use attributable to COVID-19: A propensity matched national electronic health records cohort study of 249,390 people in Wales, UK
Jonathan Kennedy, Michael Parker, Michael Seaborne, Mohamed Mhereeg, Alex Walker, Venexia Walker, Spiros Denaxas, Natasha Kennedy, Srinivasa Vittal Katikireddi, Sinead Brophy
January 2022