Fig. 6From: Dose–response relationship of pulmonary disorders by inhalation exposure to cross-linked water-soluble acrylic acid polymers in F344 ratsRepresentative microscopic photographs of female rat lungs after inhalation exposure to CWAAP-A (10 mg/m3). The control (0 mg/m3) and CWAAP-A-exposed lungs were stained with hematoxylin and eosin (HE), and their typical lesions are shown for each recovery periodBack to article page