Fig. 1From: Pregnancy complicated with PFAPA (periodic fever, aphthous stomatitis, pharyngitis and cervical adenitis) syndrome: a case reportTh1/Th2 cell ratio (IFN-γ/IL-4 T helper cell ratio) was analyzed by flow cytometric analysis. An acquisition gate was established based on CD4 staining and side scatter (SCC) which included peripheral blood mononuclear cells (left). Dot plot analysis of IFN-γ and IL-4 expressing CD4+ T cells from the patient. Numbers indicate percent gated cells (right)Back to article page