Physical Activity Patterns of the Spanish Population Are Mostly Determined by Sex and Age: Findings in the ANIBES Study. oleh Juan Mielgo-Ayuso, Raquel Aparicio-Ugarriza, Adrián Castillo, Emma Ruiz, José Manuel Ávila, Javier Aranceta-Batrina, Ángel Gil, Rosa M Ortega, Lluis Serra-Majem, Gregorio Varela-Moreiras, Marcela González-Gross