State Key Laboratory of Respiratory Disease 1 article published in JoVE Medicine A Component-resolved Diagnostic Approach for a Study on Grass Pollen Allergens in Chinese Southerners with Allergic Rhinitis and/or Asthma Wenting Luo*1,2,3,4, Guichang Pan*5, Huimin Huang1,2,3,4, Peiyan Zheng1,2,3,4, Nili Wei1,2,3,4, Yifei Zhang5, Guangqiao Zeng1,2,3,4, Baoqing Sun1,2,3,4 1State Key Laboratory of Respiratory Disease, 2National Clinical Research Center of Respiratory Disease, 3Guangzhou Institute of Respiratory Diseases, 4Department of Allergy and Clinical Immunology, First Affiliated Hospital of Guangzhou Medical University, 5Department of Respiratory Medicine, Sixth Affiliated Hospital of Guangzhou Medical University This work describes a protocol that uses a component-resolved approach to study sensitization to grass pollen allergens in a cohort of patients from southern China with allergic rhinitis and/or asthma.