For the manual search, four specific journals, available in the Central Library of the University of São Paulo Ribeirão Preto Campus SP were selected: Ann Otol Rhinol Laryngol; The Journal of Otolaryngology; Arch Otololaryngol Head Neck Surgery and Laryngoscope.
Para la búsqueda manual seleccionamos cuatro periódicos disponibles en la Biblioteca Central de la Universidad de São Paulo-Campus de Ribeirão Preto SP: Ann Otol Rhinol Laryngol; The Journal of Otolaryngology; Arch Otololaryngol Head Neck Surgery y Laryngoscope.
Na busca manual, selecionou-se quatro periódicos específicos disponíveis na Biblioteca Central da Universidade de São Paulo-Campus Ribeirão Preto SP: Ann Otol Rhinol Laryngol; The Journal of Otolaryngology; Arch Otololaryngol Head Neck Surgery e Laryngoscope.