"A vintage text book about a Quebec trapper whose musket wound led to a breakthrough in understanding how the body digests food is expected to fetch a high price at an auction on Tuesday."

"Dr. William Beaumont's Experiments and Observations of the Gastric Juice and the Physiology of Digestion, published in 1833, could yield a bid between $4,000 to $6,000 US, according to the auction house."

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