Colonic perforation secondary to metastatic lung adenocarcinoma during anti-TNF treatment for ankylosing spondylitisAuthorsSifuentes Giraldo WA, González García A, Chamorro Tojeiro S, Sánchez Sánchez O, Pian H, Vázquez Díaz MRead articleAuthorsThis browser does not support PDFs. Please download the PDF to view it: Download PDF.Sifuentes Giraldo WA, González García A, Chamorro Tojeiro S, Sánchez Sánchez O, Pian H, Vázquez Díaz Mdownload