Guiding value of abnormal expression of perforin in CD4+ T cells and NK cells in the evaluation of immune status and prognosis for hand，foot and mouth disease

HUANG Chonggang, CHEN Jinglin, LA Haiqin.
The Journal of Practical Medicine . 2021, (8): 1051 -1059 .  DOI: 10.3969/j.issn.1006⁃5725.2021.08.017