Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy (2015) - Comment
pubmed: 25265523  doi: 10.1016/j.saa.2014.08.073  issn: 1873-3557  issn: 1386-1425 

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Lekshmi P. Nair, B.R. Bijini, S. Prasanna, S.M. Eapen, C.M.K. Nair, M. Deepa, K. RajendraBabu