TEKIN, C.; GUNES, G. . Investigation of the relationships between life satisfaction, optimism, happiness and blood lipid, vitamin-D levels of individuals aged 55 and over. Annals of Medical Research, [S. l.], v. 29, n. 6, p. 585–594, 2022. Disponível em: https://annalsmedres.org/index.php/aomr/article/view/4127. Acesso em: 3 dec. 2023.