Brazilian experience with atopy patch tests for Dermatophagoides pteronyssinus , Dermatophagoides farinae and Blomia tropicalis

Background The aim of this study was to evaluate the positivity rates of atopy patch tests for Dermatophagoides pteronyssinus, Dermatophagoides farinae and Blomia tropicalis in patients with respiratory diseases such as asthma and allergic rhinitis with or without atopic dermatitis.