GlaxoSmithKline (GSK), has posted net profit of £8,038 million during the first quarter ended March 2015 as against £719 million in the corresponding period of last year, mainly due to other operating income of £8,712 million. Its sales remained almost stagnant at £5,622 million as compared to £5,613 million. Its R&D expenditure increased to £867 million from £859 million.
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