Grommets in otitis media with effusion: the most frequent operation in children. But is it associated with significant complications? - Vlastarakos, Petros V.; Nikolopoulos, Thomas P.; Korres, Stavros; Tavoulari, Evangelia; Tzagaroulakis, Antonios; Ferekidis, Eleftherios (European Journal of Pediatrics, 2007)