Prevalence of Ascaris infection and the contamination of soil with Ascaris eggs in the rural areas of Ningxia during 2015-2016
Xiang-lin WU, Hong-ju DUAN, Yi-ren FU, Rong-ting QI, Jian-hua ZHAO
CHINESE JOURNAL OF PARASITOLOGY AND PARASITIC DISEASES . 2019, (2): 173 -177 .  DOI: 10.12140/j.issn.1000-7423.2019.02.010