Differences in quality of life and fitness level among men and women in the adulthood: a cross-sectional analysis oleh Celia Alvarez-Bueno, Alicia del Saz-Lara, Ivan Cavero-Redondo, Eva Rodriguez-Gutierrez, Marta Gonzalez-Molinero, Bruno Bizzozero-Peroni, Carlos Pascual-Morena, Maribel Luceron Lucas-Torres