Mechanical influences are completely ineffective with...
Quote by Ivan Pavlov
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Mechanical influences are completely ineffective with regard to the gastric glands.
Quote by Ivan Pavlov.
Ivan Pavlov 1849 - 1936, russian psychologist
Was born on: 14 sep 1849.
Died on 27 feb 1936, at 86 years old.
Died on 27 feb 1936, at 86 years old.
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