Davitt, B. V., Christiansen, S. ., Hardy, R. J., Tung, B. ., Good, W. V., & Group, E. . (2013). Incidence of cataract development by 6 months’ corrected age in the Early Treatment for Retinopathy of Prematurity study. Journal of the American Association for Pediatric Ophthalmology and Strabismus (J AAPOS), 17(1), 49-53. 10.1016/j.jaapos.2012.10.011 (Original work published 2013)
Stephen Christiansen
Christiansen, S. ., Dobson, V. ., Quinn, G. E., Good, W. V., Tung, B. ., Hardy, R. J., … Cooperative Group, E. T. F. R. O. P. C. . (2010). Progression of type 2 to type 1 retinopathy of prematurity in the Early Treatment for Retinopathy of Prematurity Study. Archives of Ophthalmology, 128(4), 461-5. 10.1001/archophthalmol.2010.34 (Original work published 2010)