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Singh A, Nirala NK, Narula A, Das S, Srivastava PS.Singh A, et al. Among authors: srivastava ps.Physiol Mol Biol Plants. 2011 Jul;17(3):255-61. doi: 10.1007/s12298-011-0060-z. Epub 2011 May 21.Physiol Mol Biol Plants. 2011.PMID: 23573017Free PMC article.