Histamine‐positive skin prick testing

Comments on BU (biologic units)

“…Taking advantage of an apparent error in the elicit wheal reactions of the same size (4). "Letter to the editor" in the January 1996 issue of 3) Large histamhie reactions (mean > 10 mm) were Allergy, we would like to bring up the issue of the reproduced better than smaller ones optimum concentration of a specific allergen (mean < 7 mm) -the coefficients of variation extract for use during the skin prick test (SPT).…”