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. 2019 May 21;5(5):e01756. doi: 10.1016/j.heliyon.2019.e01756

Fig. 6.

Fig. 6

Representing the 3D surface as well as contour plots; fig a1a2 revealed non significant interaction between lactose and soya peptone, fig b1b2 illustrated moderate significant interaction of lactose and uric acid. fig c1c2 indicated moderate significant interaction among lactose and FeSO4.7H2O. fig d1 d2 revealed significant interaction between soya peptone and uric acid; fig e1 e2 illustrated significant interactions between soya peptone and FeSO4.7H2O; fig f1 f2 revealed highly significant interactions among uric acid and FeSO4.7H2O.