Adaptation and reliability testing of the SHARE-FI instrument for the assessment of risk of frailty syndrome among older Polish patients - Muszalik, Marta; Borowiak, Ewa; Kotarba, Agnieszka; Puto, Grażyna; Doroszkiewicz, Halina; Kędziora-Kornatowska, Kornelia (Family Medicine & Primary Care Review, 2018)