“The impact of cognitive impairment of individuals with Parkinson’s disease on their caregivers’ mental health: A systematic review protocol,” by Paulina Beata Golińska, Łucja Bieleninik, Michał Harciarek, and Mariola Bidzan (PLoS ONE 17(7): e0271480. doi.org/10.1371/journal.pone.0271480, XML, HTML, and .pdf format, 10p.).
journals.plos.org/plosone/article?id=10.1371/journal.pone.0271480
