The application of FRAX in Ecuador Enrique López Gavilánez; Helena Johansson; Nicholas Harvey; Mattias Lorentzon; Eugene McCloskey; Judith Valdivieso Jara; John A. Kanis;

d-Dimer trend in a long-term rheumatoid arthritis patient with tofacitinib treatment and recent COVID-19 infection Genessis Maldonado; Roberto Guerrero; Maria Intriago; Carlos Rios;

Osteoporosis and osteonecrosis in systemic lupus erythematosus Andreu Fernández-Codina; Janet E. Pope;