1. [Intestinal worms] Publication: [Shanghai : s.n.], 1957 Subject(s): Intestinal Diseases, ParasiticHelminthiasisHelminths
2. [Flies contaminating food on table, mother and child walking, and route of ingestion for worms] Publication: [Shanghai? : s.n.], 1957 Subject(s): Diptera -- pathogenicityFood ContaminationIntestinal Diseases, ParasiticWind
