Toxics and atypical manifestations. Vasculitis associated with levamisole-adulterated cocaine. A case report Silvia Calpena-Martínez; Fernando Tornero-Romero; Luis López-Cubero; Juan A. López-López;

A practical perspective on gastrointestinal manifestations of systemic lupus erythematosus Juan Camilo Santacruz; Marta Juliana Mantilla; Sandra Pulido; Ferney Africano; Carlos Alberto Agudelo; Rubén Darío Mantilla; Ángelo Arzuaga; John Londoño;

Cost of hospital care in patients with systemic lupus erythematosus in a high complexity hospital in Colombia Juan C. Pérez-Correa; Darwin J. Ariza-Rodríguez; María C. Díaz-Jiménez; Daniel G. Fernández-Ávila; Juan M. Gutiérrez; Diego Rosselli;