Lamb, D., Gnanapragasam, S., Greenberg, N., Bhundia, R., Carr, E., Hotopf, M., Razavi, R., Raine, R., Cross, S., Dewar, A., Docherty, M., Dorrington, S., Hatch, S., Wilson-Jones, C., Leightley, D., Madan, I., Marlow, S., McMullen, I., Rafferty, A., Parsons, M., Polling, C., Serfioti, D., Gaunt, H., Aitken, P., Morris-Bone, J., Simela, C., French, V., Harris, R., Stevelink, S. A. M., & Wessely, S. (2021). psychosocial impact of the COVID-19 pandemic on 4378 UK healthcare workers and ancillary staff: initial baseline data from a cohort study collected during the first wave of the pandemic. Occupational and environmental medicine, 78, 801–808. http://access.bl.uk/ark:/81055/vdc_100185646500.0x000024