Risk Factors of Retinopathy of Prematurity in Premature Infants Weighing Less Than 1600 g - Liu, Po-Mai; Fang, Po-Chiung; Huang, Chung-Bin; Kou, His-Kung; Chung, Mei-Yung; Yang, Yi-Hsin; Chung, Ching-Hung (American Journal of Perinatology, 2005)