Salivary gland ultrasound in clinical practice: What is its real usefulness? Karen Carpio Astudillo; Fernando Montero Reyes; Iustina Janta; Juan Molina Collada; Ana M. Anzola; Liz R. Caballero Motta; Belén Serrano-Benavente; Julia Martínez-Barrio; Alfonso Ariza Lapuente; Javier Rivera Redondo; Carlos González-Fernández; Indalecio Monteagudo; José María Álvaro-Gracia; Juan Carlos Nieto-González;

Education and Use of Lung Ultrasound in Rheumatology and Pneumology in Spain: A SER-SEPAR Survey Fredeswinda Romero-Bueno; María Jesús Rodríguez-Nieto; Esperanza Naredo;

Safety in the use of ultrasound in rheumatology during the COVID-19 pandemic. Spanish Society of Rheumatology positioning paper Lucía Mayordomo; Juan Molina Collada; Félix M. Francisco Hernández; Ángel Bueno; Santos A. Insua Vilariño; Francisco Gabriel Jiménez-Núñez; Rosalía Martínez Pérez; Ingrid Möller; Jacqueline Usón Jaeger; José Francisco García-Llorente; José M. Álvaro-Gracia; Eduardo Aparicio Ruiz; Liliana Asaro Daverio; Esperanza Naredo;