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;

Adenopatías cervicales en reumatología: un dilema diagnóstico Lorena Sager; Alejandro Reibaldi; Romina Calvo; Alberto Ortiz; Susana Roverano; Federico Jauk; Sergio Paira;

Chronic diarrhea as initial manifestation of polyarteritis nodosa: A case-based review Paul J. Tejada-Llacsa; Julia Sumire Umes; Manuel Francisco Ugarte-Gil; Graciela S. Alarcón; Víctor Román Pimentel-Quiroz;