% 0期刊文章% Callejo,布兰科,是玛丽亚%abel %A Barberá, Joan Albert %A Perez-Vizcaino, Francisco %T Vitamin D deficiency, a potential cause for insufficient response to sildenafil in pulmonary arterial hypertension %D 2021 %R 10.1183/13993003.01204-2021 %J European Respiratory Journal %P 2101204 %V 58 %N 5 %U //www.qdcxjkg.com/content/erj/58/5/2101204.full.pdf