[An investigation on intestinal helminth infections among residents of Harbin City].
Niu
Hong
H
Liu
Yan-lin
YL
Yang
Xian-jie
XJ
D017677:Age Distribution; D002681:China / Q000453:epidemiology; D005260:Female; D006373:Helminthiasis / Q000453:epidemiology*; D006801:Humans; D007411:Intestinal Diseases, Parasitic / Q000453:epidemiology*; D008297:Male; D015995:Prevalence; D012737:Sex Factors