Brainstem neurochemical profiles after hospitalisation for COVID-19: a 7T MR spectroscopy study. - Graf C; Raman B; Manktelow A; Chatfield DA; Clarke WT; Rua C; Newcombe VFJ; Lupson VC; Sawcer SJ; Outtrim JG; Ersche KD; Qiu L; et al. (Frontiers in neuroscience, 2025)