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Representative photomicrographs of a Hematoxylin-Eosin stained sections of testicular tissue obtained following air exposure (AE) of control mice (A,B), and water-pipe smoke (WPS) exposure (C and D) for 30 min/day for 6 months. Control mice showed normal spermatogenesis (A,B), whereas those from mice exposed to WPS showed signs of damage (A,B). The tubule diameter and the Johnson's score were both significantly decreased by the exposure to WPS (p < 0.05).
