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Effect of PTX on testes histopathology. (a) Representative micrographs of hematoxylin-eosin-stained sections in the testes of rats, 400x, insert bar = 100 μm. (b) Quantification of Johnson's score of testes injuries. Control group (n = 8); intermittent hypobaric hypoxia (IHH) group (n = 8); pentoxifylline (PTX)+IHH group (n = 8). Data were presented as mean ± standard deviation (SD). ∗ p < 0.05 compared with IHH+Vehicle.
