Ozone exposure, food restriction and protein deficiency: Changes in collagen and elastin in rodent lung

Two groups of weanling or young adult rats were fed ad lib casein-based diets containing 4 or 16% protein. Food was restricted in a third group (fed the 16%protein diet) to the amount consumed daily by rats (adult or weanlings) fed the 4% diet. After 3 weeks (weanlings) or 1, 3 or 5 weeks (adults),...

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