References: Principles of palliative care for patients with Parkinson disease
Akbar U, McQueen RB, Bemski J, Carter J, Goy ER, Kutner J, et al. Prognostic predictors relevant to end-of-life palliative care in Parkinson's disease and related disorders: a systematic review. J Neurol Neurosurg Psychiatry 2021. https://www.ncbi.nlm.nih.gov/pubmed/33789923
Chalmers JD, Laska IF, Franssen FME, Janssens W, Pavord I, Rigau D, et al. Withdrawal of inhaled corticosteroids in COPD: a European Respiratory Society guideline. Eur Respir J 2020;55(6). https://www.ncbi.nlm.nih.gov/pubmed/32366483