Wheeler, D. ., Dobson, V. ., Chiang, M. F., Bremer, D. L., Gewolb, I. ., Phelps, D. ., … Palmer, E. . (2011). Retinopathy of prematurity in infants weighing less than 500 grams at birth enrolled in the early treatment for retinopathy of prematurity study. Ophthalmology, 118(6), 1145-51. 10.1016/j.ophtha.2010.09.031 (Original work published 2011)
