autores Antonio Jaime Botelho Correia de Sousa John Yaphe Pedro Miguel Silva Costa Afonso Teixeira Araújo, V. Correia de Sousa, J. John Yaphe Teixeira, Pedro Miguel Silva Costa Afonso
Digital Object Identifier (DOI) https://doi.org/10.1186/s12875-016-0512-1 https://doi.org/10.1186/s12875-016-0512-1