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| Guest 2013-11-12 05:58 | med parka Considering that 2000, a number of manufacturers have introduced portable oxygen concentrators. These create much less than 1 liter for every minute (LPM) of oxygen and use some edition of pulse flow or demand flow to deliver oxygen only once the patient is inhaling. Nevertheless, there is a portable oxygen concentrator with as much as three LPM of continuous-flow oxygen. <a href="http://www.grupodegra.com/jackets/med-parka.html" title="med parka">med parka</a>   |
