Diagnostic value of absolute lymphocyte count for chronic primary immune thrombocytopenia in children：a  meta analysis
Hu Yangfan, Chen Xianrui, Shi Huixuan, Huang Jianqi
Clinical Focus . 2020, (6): 492 -497 .  DOI: 10.3969/j.issn.1004-583X.2020.06.002