Wadhwa, ...., 		Kazi, ...., 		Tuzen, ...., 		Afridi, ...., 		Khan, ...., & 		Brahman, ....
(2014).
Application of Polyhydroxybutyrate-b-polyethyleneglycol    (a block co-polymer) for Solid Phase Extraction of Lead and Copper in Different Food Samples.
<em>Pakistan Journal Of Analytical & Environmental Chemistry, 15</em>(1), 8.
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