Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ichikawa Yasuhiro and Yokoyama Utako and Iwamoto Mari and Oshikawa Jin and Okumura Satoshi and Sato Motohiko and Yokota Shumpei and Masuda Munetaka and Asou Toshihide and Ishikawa Yoshihiro,Inhibition of Phosphodiesterase Type 3 Dilates the Rat Ductus Arteriosus Without Inducing Intimal Thickening,Circulation Journal,1346-9843,The Japanese Circulation Society,2012,76,10,2456-2464,https://cir.nii.ac.jp/crid/1390282680081055872,https://doi.org/10.1253/circj.cj-12-0215