Clinical investigations for SUS, the Brazilian public health system oleh Ana Patrícia de Paula, Silvana Pereira Giozza, Michelle Zanon Pereira, Patrícia Souza Boaventura, Leonor Maria Pacheco Santos, Camile Giaretta Sachetti, César Omar Carranza Tamayo, Clarissa Campos Guaragna Kowalski, Flavia Tavares Silva Elias, Suzanne Jacob Serruya, Reinaldo Guimarães