title: Letter: Use of a hemoglobin meter in the field.
mesh_terms: D000740:Anemia / Q000175:diagnosis; D005069:Evaluation Studies as Topic; D006452:Hemoglobinometry / Q000295:instrumentation; D006801:Humans; D008706:Methemoglobin / Q000032:analysis
chemical_list: D008706:Methemoglobin