TURKISH JOURNAL OF PEDIATRICS, vol.36, no.2, pp.105-110, 1994 (SCI-Expanded)
Interleukin 4, (IL4) known as a lymphokine secreted by type II helper T-cells, is thought to regulate IgG and IgE secretions. Therefore, elevated IL4 levels are expected in atopic allergic disesase and parasitoses.