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Morphology of SK-N-SH cells treated with Hirsutella sinensis extract. The SK-N-SH cells were treated with 0, 0.001, 0.01 or 0.1 mg/ml Hirsutella sinensis extract for 72 h. The white arrows indicate the phenotypical changes in the SK-N-SH cells that were observed under a phase-contrast microscope (magnification, ×20).
