Swimming pool attendance, respiratory symptoms and infections in the first year of life. - Font-Ribera, Laia; Villanueva, Cristina; Ballester, Ferran; Santa Marina, Loreto; Tardón, Adonina; Espejo-Herrera, Nadia; Esplugues, Ana; Rodríguez Dehli, Cristina; Basterrechea, Mikel; Sunyer, Jordi (European Journal of Pediatrics, 2013)