Association between IL-4 gene polymorphisms, IL-4 serum levels, and ankylosing spondylitis X. L. Liu, Ren, J. K., and Su, Y. L., “Association between IL-4 gene polymorphisms, IL-4 serum levels, and ankylosing spondylitis”, vol. 15, no. 4, p. -, 2016. INTRODUCTION Read more about Association between IL-4 gene polymorphisms, IL-4 serum levels, and ankylosing spondylitisLog in or register to post commentsGoogle ScholarDOI