File:NIH Lab in December of 1938 (49170055247).jpg
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Size of this preview: 770 × 599 pixels. Other resolutions: 308 × 240 pixels | 617 × 480 pixels | 987 × 768 pixels | 1,280 × 996 pixels | 2,560 × 1,993 pixels | 2,866 × 2,231 pixels.
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