COVID-19-related sickness absence among 4,721 NHS staff in England and its relation with long COVID symptoms: findings from NHS CHECK. - Dempsey, B.; Blake, H. A.; Madan, I.; Stevelink, S. A. M.; Greenberg, N.; Raine, R.; Rafferty, A. M.; Bhundia, R.; Wessely, S.; Lamb, Danielle (BMC Health Services Research, 2025)