Cannon-Carlson S, Varnerin J, Tsarbopoulos A, Jenh C-H, Cox MA, Chou C-C, Connelly N, Zavodny P, Tang JC-T. Expression, purification, and characterization of recombinant human interleukin-13 from NS-0 cells. Protein expression and purification. 1998;12(2):239-248.