Prevalence of pinworm infection among rural left-behind children in Qingxin District, Qingyuan
LUO Wei-qiang, ZHANG Xue-liang, ZHOU Zhi-shan, et al
S China J Prev Med . 2018, (6): 563 -564 .  DOI: 10.13217/j.scjpm.2018.0563