title: Malaria control in the labour forces of the Tan-Zam railway.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D002738:Chloroquine / Q000627:therapeutic use; D005260:Female; D006801:Humans; D007223:Infant; D008288:Malaria / Q000517:prevention & control* / Q000635:transmission; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000517:prevention & control*; D010963:Plasmodium falciparum; D010965:Plasmodium malariae; D011890:Railroads; D015024:Zambia
chemical_list: D002738:Chloroquine