o-toluidine

blood test, Birbhum, IIT Kharagpur, haemoglobin, o-toluidine, microfluidics, fabrication, 3D printing, West Bengal, West Midnapore, e-Health, Foundation for Innovations in Health, Bureau of Indian Standards, HemoCue, Drabkin's method, King's College London, health news,

IIT Kharagpur Team Devises One-Rupee Test to Measure Haemoglobin Levels