HydroGraph's Graphene Outperforms Leading Cathode Catalyst in Li-O2 Battery Study

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Apria Healthcare Group (NYSE: HG) Delayed: 28.60 +0.06 (0.21%)
Previous Close $28.54    52 Week High $9.74 
Open $27.89    52 Week Low $9.27 
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Volume 639,585       

(AMEX: HGCPF) Delayed: 0.09 --0 (-0%)
Previous Close $0.09    52 Week High
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Volume 23,348