N-terminal pro-brain natriuretic peptide used for screening hemodynamically significant patent ductus arteriosus in very low birth weight infants: How and when? - Liu, Ying; Huang, Zhen-Li; Gong, Lin; Zhang, Zhen; Zhang, Shuang-Chuan; Zhou, Yu-Xin (Clinical Hemorheology & Microcirculation, 2020)