Efficacy of an educational intervention in primary health care in inhalation techniques: study protocol for a pragmatic cluster randomised controlled trial

por Leiva-Fernández, José, Vázquez-Alarcón, Rubén L., Aguiar-Leiva, Virginia, Lobnig-Becerra, Mireya, Leiva-Fernández, Francisca, Barnestein-Fonseca, Pilar
Publicado 2016