Item Type Date Title No Grouping

UK prevalence of risk factors for severe COVID-19 disease, by age and region: point prevalence estimates in 2019 and 2014, using electronic health records. (2020) Walker, Jemma, Grint, Daniel, Strongman, Helen, Eggo, Rosalind M., Peppa, Maria, Minassian, Caroline, Mansfield, Kathryn E., Rentsch, Christopher, Douglas, Ian J., Mathur, Rohini, Wong, Angel, Quint, Jennifer K., Andrews, Nick, Lopez-bernal, James, Scott, Anthony, Ramsay, Mary, Smeeth, Liam, McDonald, Helen folder_zip

opensafely/risk-factors-research. (2020) Williamson, Elizabeth, Walker, Alex J, Bhaskaran, Krishnan J, Bacon, Seb, Bates, Chris, Morton, Caroline E, Curtis, Helen J, Mehrkar, Amir, Evans, David, Inglesby, Peter, Cockburn, Jonathan, Mcdonald, Helen I, MacKenna, Brian, Tomlinson, Laurie, Douglas, Ian J, Rentsch, Christopher T, Mathur, Rohini, Wong, Angel, Grieve, Richard, Harrison, David, Forbes, Harriet, Schultze, Anna, Croker, Richard T, Parry, John, Hester, Frank, Harper, Sam, Perera, Rafael, Evans, Stephen, Smeeth, Liam, Goldacre, Ben

Point-of-contact Interactive Record Linkage (PIRL). (2017) Kabudula, Chodziwadziwa, Rentsch, Christopher