1974 Roerig symposium: Intestinal parasite problems of school-age children. Current school health programs.
D002648:Child; D006801:Humans; D007411:Intestinal Diseases, Parasitic / Q000453:epidemiology / Q000517:prevention & control*; D009349:Nematode Infections / Q000453:epidemiology / Q000517:prevention & control*; D011635:Public Health Administration; D012572:School Health Services; D013781:Texas; D014481:United States