John, A., Pierce, M., Hope, H., Ford, T., Hatch, S., Hotopf, M., . . . Abel, K. M. (2020). Mental health before and during the COVID-19 pandemic: A longitudinal probability sample survey of the UK population. The Lancet Psychiatry, 7(10), pp. 883-892. doi:10.1016/s2215-0366(20)30308-4

John, Ann, et al. "Mental Health Before and During the COVID-19 Pandemic: A Longitudinal Probability Sample Survey of the UK Population." The Lancet Psychiatry 7, no. 10 (2020): 883-892.

John, Ann, et al. "Mental Health Before and During the COVID-19 Pandemic: A Longitudinal Probability Sample Survey of the UK Population." The Lancet Psychiatry 7.10 (2020): 883-892.