Selecting the most informative positive and negative controls for self-controlled case series (SCCS) : Rationale, approach, and lessons from studies investigating the safety of COVID-19 vaccines

Rudan, I, Katikireddi, S V, Kerr, S, Millington, T, Grange, Z, Sullivan, C, Fagbamigbe, A F, Swallow, B, Kurdi, A, Morrison, K, Jeffrey, K, Simpson, C R, Ritchie, L, Robertson, C & Sheikh, A 2024, 'Selecting the most informative positive and negative controls for self-controlled case series (SCCS) : Rationale, approach, and lessons from studies investigating the safety of COVID-19 vaccines', Journal of Global Health, vol. 14, 3037. https://doi.org/10.7189/jogh.14.03037