*Depending on the dose, the lesions range from acute lesions (oedema, haemorrhage, hyaline membranes) -> chronic (fibroplasia of alveolar septae, replacement of alveolar cells with type II cells) | *Depending on the dose, the lesions range from acute lesions (oedema, haemorrhage, hyaline membranes) -> chronic (fibroplasia of alveolar septae, replacement of alveolar cells with type II cells) |