title: Jade-Screen Powder Mixture in prevention of recurrent respiratory infections in children.
mesh_terms: D002648:Child; D002675:Child, Preschool; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis; D007223:Infant; D008516:Medicine, Chinese Traditional; D008518:Medicine, East Asian Traditional; D010946:Plants, Medicinal; D012008:Recurrence; D012141:Respiratory Tract Infections / Q000276:immunology / Q000517:prevention & control*
chemical_list: D007070:Immunoglobulin A