1.
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. annalsmedres [Internet]. 2022 Jun. 24 [cited 2024 May 2];29(6):585-94. Available from: http://www.annalsmedres.org/index.php/aomr/article/view/4127