Correlation of serum placental growth factor and NTproBNP and recent prognosis of elderly patients with chronic heart failure #br#
PENG Xue, WANG Wenjuan, NIU Jieting
Journal of Hebei Medical University . 2019, (7): 768 -772 .  DOI: 10.3969/j.issn.10073205.2019.07.006