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SERS spectra of seven non-irradiated and femtosecond IR laser pulse-treated genomic DNAs extracted from different grapevine varieties, respectively: A, Feteasca Regala; B, Braghina; C, Francuse; D, Carloganca; E, Feteasca Neagra; F, Tamaioasa Romaneasca; G, Ardeleanca.
