Mercury as Medication — Mercurous chloride — Syphilis — Treponema pallidum — Enzymes disabled — Side effects — Sweating, bloodletting — "Nervous excitation" — Physician, do no harm — Field's rattlesnake bite — Cinchona officinalis

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Supported in part by a grant from the Idaho Governor's Lewis and Clark Bicentennial Commission.

From Discovering Lewis & Clark®, © 2004 VIAs Inc.