India Today - - NATION -

Low-cost al­ter­na­tives for med­i­cal tests A non-in­va­sive test for mea­sur­ing haemoglobin lev­els, this de­vice op­er­ates by shin­ing light of dif­fer­ent wave­lengths on thin tis­sue, such as the eye­lid or a fin­ger­tip. Based on the re­flected light, ToucHb de­ter­mines the haemoglobin con­cen­tra­tion. Rs 3/test

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