PT - JOURNAL ARTICLE AU - C S Marsh AU - B Marden AU - R Newsom TI - Severe retinopathy of prematurity (ROP) in a premature baby treated with sildenafil acetate (Viagra) for pulmonary hypertension AID - 10.1136/bjo.2003.021956 DP - 2004 Feb 01 TA - British Journal of Ophthalmology PG - 306--307 VI - 88 IP - 2 4099 - http://bjo.bmj.com/content/88/2/306.short 4100 - http://bjo.bmj.com/content/88/2/306.full SO - Br J Ophthalmol2004 Feb 01; 88