Practitioner's Corner

A Comparison Between Morphine and Histamine as a Positive Control Agent for Intradermal Skin Testing: An Evidence-Based Study

F Kaewruttanapattama,* J Chokboonpium,* A Thammahong,* J Klaewsongkram

Division of Allergy and Clinical Immunology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
*These authors contributed equally to this work

J Investig Allergol Clin Immunol 2010; Vol. 20(7): 620-632