Achlorophyllic algae and chronic bursitis: An exceptional association Pablo González del Pozo; Paula Álvarez Peñalba; Stefanie Burger; Norma Alejandra Callejas Pineda; Rubén Queiro Silva; Sara Alonso Castro;

Acroosteolysis and facial dysmorphia: a new case of Hajdu-Cheney syndrome Pablo González del Pozo; Stefanie Burger; Estefanía Pardo Campo; Mercedes Alperi López; Rubén Queiro Silva; Sara Alonso Castro;

Update of the position paper of the Spanish Society of Rheumatology on biosimilar drugs Miguel Ángel Abad Hernández; José Luis Andreu; Alejandro Balsa Criado; Federico Díaz-González; José Vicente Moreno Muelas; Rubén Queiro Silva; Juan J. Gómez-Reino;