A conceptual review of loneliness across the adult life course (16+ years). Synthesis of qualitative studies (L. Mansfield, N. Daykin, et al., Whatworkswellbeing.org, 2019) Dokumentu-zerrenda A conceptual review of loneliness across the adult life course (16+ years). Synthesis of qualitative studies (L. Mansfield, N. Daykin, et al., Whatworkswellbeing.org, 2019) Xehetasunak A conceptual review of loneliness across the adult life course (16+ years). Synthesis of qualitative studies