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;

Rheumatic manifestations associated with cocaine addiction Susana Roverano; Romina Calvo; Alberto Ortiz; Sergio Paira;

Lung cancer as a trigger of autoimmune response: a medical challenge Diana Padilla-Ortiz; Fernando Sánchez-Esquivel; John Londoño; Javier Merayo-Chalico; Viviana Reyes-Martínez; Adriana Florez-Vargas; Juan-Camilo Rueda; Luis Giraldo-Cadavid; Ana María Santos;