Influence of polysaccharide nucleic acid fraction of bacillus Calmette-Guerin on the secretion of interferon-γ and interleukin-4 by peripheral blood lymphocytes from patients with chronic urticaria

Influence of polysaccharide nucleic acid fraction of bacillus Calmette-Guerin on the secretion of interferon-γ and interleukin-4 by peripheral blood lymphocytes from patients with chronic urticaria Chinese Journal of Dermatology . 2013, (10): 740 -742 .