title: A method for occult blood in faeces using non-carcinogenic reagents.
mesh_terms: D002648:Child; D002675:Child, Preschool; D005243:Feces / Q000032:analysis; D006801:Humans; D007202:Indicators and Reagents; D008551:Melena / Q000175:diagnosis*; D008722:Methods
chemical_list: D007202:Indicators and Reagents