Correlation study between RDW and pulmonary hypertension in patients with chronic obstructive pulmonary disease
WANG Lihong1, YUAN Lindong2, LIU Xiaoyu1, SUN Wuzhuang1*
Journal of Hebei Medical University . 2017, (7): 756 -759 .  DOI: 10.3969/j.issn.10073205.2017.07.003