Paradox of age: older patients receive higher age-adjusted minimum alveolar concentration fractions of volatile anaesthetics yet display higher bispectral index valuesNi, Katherine; Cooter, Mary; Gupta, Dhanesh K.; Thomas, Jake; Hopkins, Thomas J.; Miller, Timothy E.; James, Michael L.; Kertai, Miklos D.; Berger, Miles · British Journal of Anaesthesia · 2019