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Hematoxylin-stained micrographs. (A) Bovine orbital connective tissue containing 71% ± 4% collagen. (B) Bovine orbital fat containing 17% ± 2% collagen. (C) Human orbital fat containing 17% ± 2% collagen. (D) Human eyelid fat containing 14% ± 3% collagen. (E) Bovine kidney fat containing 6% ± 1% collagen.
