Fig. 3From: Behavior of rock wool in lungs after exposure by nasal inhalation in ratsPercentages of fibers in lungs: filled square shortly-after group, striped bar 1-week-after group, dotted square 2-weeks-after group, open square 4-weeks-after group. Percentage, assuming the value of the shortly-after group to be 100%. n = 5, L Length of fiber (μm)Back to article page