Gender differences in depression, anxiety, and quality of life in Parkinson's disease before and after deep brain stimulation surgery: a multicentre cohort study. - Abbott MG; Ahmed A; Pavese N; Macerollo A; Newman EJ; Farah JO; Sarangmat N; Misbahuddin A; Ledingham D; GIbbs M; Mills R; Ashkan K; et al. (BMJ neurology open, 2025)