M. J. Shakir and A. A. Hussein, “Assessment of Serum Interleukin-2, -4 and C-reactive protein Levels in patients with Giardiasis and Cryptosporidiosis”, J Fac Med Baghdad, vol. 56, no. 3, pp. 313–317, Oct. 2014, doi: 10.32007/jfacmedbagdad.563516.