Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kogaki Shigetoyo and Saji Tsutomu and Ono Hiroshi and Ishii Masahiro and Hiro Shintaro and Terada Michinori,Efficacy and Safety of Sildenafil in Japanese Pediatric Patients with Pulmonary Arterial Hypertension,Journal of Pediatric Cardiology and Cardiac Surgery,24332720,Japanese Society of Pediatric Cardiology and Cardiac Surgery,2019-07-01,3,2,88-96,https://cir.nii.ac.jp/crid/1390005910387534720,https://doi.org/10.24509/jpccs.190203