Fig. 4From: Dose–response relationship of pulmonary disorders by inhalation exposure to cross-linked water-soluble acrylic acid polymers in F344 ratsRepresentative macroscopic photographs of male (a) and female (b) rat lungs after 13-week inhalation exposure to CWAAP-A (10 mg/m3, 6 h/day, 5 days/week). Expo exposure, Rec recovery, w weekBack to article page