title: Multicenter trial of cryotherapy for retinopathy of prematurity.
mesh_terms: D002986:Clinical Trials as Topic; D003452:Cryosurgery; D006801:Humans; D007231:Infant, Newborn; D011897:Random Allocation; D012107:Research Design; D012178:Retinopathy of Prematurity / Q000601:surgery*