By Nirosha Rajapakse | Sunday Observer

By Nirosha Rajapakse

Heated Humidified Oxygen Therapy Machines
Since the ubiquitous and rapid spread of the Covid-19 virus, more than ever before, a considerable number of countries are facing with an enormous and growing challenge of having affordable and sustainable access to oxygen. Oxygen plays a vital role in respiration. Covid-19 has made a tremendous pressure on the health systems around the world where the World Health...
19 September, 2021
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