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Laboratories -- history
1
Lavoisier, Antoine Laurent, 1743-1794.
1
Liebig, Justus, Freiherr von, 1803-1873.
1
Nutritional Physiological Phenomena
1
Paintings
1
Physics
1
Rabies -- prevention & control
1
Societies, Scientific -- history
1
United States
1
Vaccination -- history
1