SARS-CoV-2 (COVID-19) in patients with some degree of immunosuppression Jairo Cajamarca-Baron; Diana Guavita-Navarro; Jhon Buitrago-Bohorquez; Laura Gallego-Cardona; Angela Navas; Hector Cubides; Ana María Arredondo; Alejandro Escobar; Adriana Rojas-Villarraga;

Evaluation of serum IgG4 levels as a screening tool for IgG4-related disease: Data from a retrospective study Pablo Martínez Calabuig; Jorge Juan Fragío Gil; Roxana González Mazarío; Laura Salvador Maicas; Mireia Lucía Sanmartín Martínez; Antonio Sierra Rivera; Laura Abenza Barberá; María Cristina Sabater Abad; Francesc Puchades Gimeno; Inmaculada Castelló Miralles; Amalia Rueda Cid; Cristina Campos Fernández;

A detailed quantitative analysis of circulating T peripheral and follicular helper lymphocytes in patients with rheumatoid arthritis and systemic lupus erythematosus Raquel Sánchez-Gutiérrez; Marlen Vitales-Noyola; Larisa González-Baranda; Diana P. Portales-Pérez; Esther Layseca-Espinosa; Mariana H. García-Hernández; Roberto González-Amaro;