In Allergology International (AI) Vol.60 No.4, we have 3 Review Articles, 16 Original Articles, 3 Case Reports, and 1 Letter to the Editor. AI is publishing theme issues that include reviews in important fields of current research activity written by eminent experts. The theme of this issue is "Pulmonary Hypertension".
Shunji Yoshida summarized the clinical aspects of pulmonary hypertension seen in connective tissue diseases. You will understand the natural history, prognosis, diagnosis and therapeutic approach of the pulmonary hypertension. Nobuhito Sasaki et al. introduced pathologic features of...more

