LOELIGER M, SHIELDS A, McCURNIN D, CLYMAN RI, YODER B, INDER TE, REES SM. Ibuprofen Treatment for Closure of Patent Ductus Arteriosus Is Not Associated With Increased Risk of Neuropathology. Pediatric Research. 2010 Oct;68(4):298–302. doi: 10.1203/pdr.0b013e3181ed1864.