For nearly a decade, an oxygen refiller may not have tested its products for purity, and the 5-year expiration dates put on labels may be fiction, according to an FDA warning letter sent to the Norman ...
Bhopal (Madhya Pradesh): In the backdrop of rising COVID-19 cases, a mock drill was conducted on Sunday to test the functioning of Pressure Swing Adsorption (PSA) oxygen plants installed in government ...
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