“…To further prove its effectiveness, the MAST-CLA Korean inhalant panel has been using it as a diagnostic test for allergic rhinitis since 1996. 10 On the other hand, a disadvantage for this method is the observed higher positivity and lower sensitivity rates compared with that of the skin-prick test. 11,12 Recently, a new generation of MAST-CLA (OPTIGEN; Hitachi Chemical Diagnostics) has been introduced.…”