[Antibiotic use in very low birth weight/extremely low birth weight infants in 15 hospitals in Jiangsu Province of China: a multicenter survey]. - Zhao JJ; Han SP; Yu ZB; Pan ZJ; Zhou Q; Jiang SY; Wan J; Zhang L; Wang HY; Meng M; Xu Y; Chen XQ; et al. (Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics, 2022)