Christiansen JM, Meyer AM, Pickert L, Pfister R, Polidori MC. Challenges in the performance of real-life studies in older patients: focus on long-term care facilities. Geriatr Care [Internet]. 2022 Mar. 24 [cited 2024 May 15];8(1). Available from: https://www.pagepressjournals.org/gc/article/view/10384