Fig. 1From: Comparison of four pharmacological strategies aimed to prevent the lung inflammation and paraquat-induced alveolar damagea Rat lung intoxicated with PQ without treatment: presents important interstitial mononuclear inflammatory infiltrate concomitant with intra-alveolar hemorrhage (H&E, ×40). b Rat lung intoxicated with PQ and treated with intratracheal heparin: conserved alveolar architecture, without hemorrhage or inflammatory infiltrate (H&E, ×40)Back to article page