30
Participants
Start Date
July 1, 2015
Primary Completion Date
July 1, 2017
Study Completion Date
February 1, 2018
house dust mites
house dust mites(two-fold increasing concentration of house dust mite (HDM) extract, dilutions prepared starting from 1:8, 1:16, 1:32, 1:64, 1:128, 1: 256, 1:512, 1:1024,……)
Guangzhou institute of respiratory disease, Guangzhou
Firestone Institute for Respiratory Health
OTHER
Guangzhou Institute of Respiratory Disease
OTHER