Portuguese recommendations for the use of ultrasound in rheumatology

Authors

Polido-Pereira J; Serra S; Teixeira F; Ponte C; Cerqueira M; Cruz M; Araújo F; Barros R; Costa T; Santos-Faria D; Lopes C; Madruga-Dias J; Oliveira M; Teixeira R; Vilar A; Falcão S; Saraiva F; Figueiredo G;