Determination of the 99th percentile of anticardiolipin and anti-ß2 glycoprotein I antibodies in an institution in the city of Medellin, Colombia Gustavo Adolfo Castilla Agudelo; Libia María Rodríguez Padilla; Sergio Jaramillo Velásquez; Lady Johanna Hernández Zapata; Miguel Antonio Mesa Navas; María Fernanda Álvarez Barreneche; Carlos Jaime Velásquez Franco;

Associated factors of antiphospholipid syndrome. When do we need antiphospholipid antibodies? Jaime Andrés Escobar Sáenz; Oscar Muñoz Velandia; Paula Ruiz Talero; Daniel Fernández Ávila;

Capillaroscopic abnormalities in systemic lupus erythematosus and its association with clinical manifestation María Fernanda Álvarez Barreneche; Carlos Jaime Velásquez Franco; Carlos Esteban Giraldo Cuartas; Miguel Antonio Mesa Navas;