title: Simple method for measuring haemoglobin. Evaluation in Andean rain forest.
mesh_terms: D001800:Blood Specimen Collection / Q000295:instrumentation; D003124:Colorimetry / Q000295:instrumentation; D004484:Ecuador; D005069:Evaluation Studies as Topic; D006452:Hemoglobinometry / Q000295:instrumentation / Q000379:methods*; D006801:Humans; D011786:Quality Control; D012423:Rural Health