Experiments on animals poisoned by Amanita muscaria and with pure muscarine show very clearly that when the heart has nearly ceased to beat it may be stimulated to strong action almost instantly by the use of atropine.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson
The alkaloid of belladonna, atropine, is a thousand times more toxic for a man than for a goat.
"The Pros and Cons of Vivisection"
Charles Richet Commentator: W. D. Halliburton
A water solution of atropine or eserine should be used for the purpose of relieving the symptoms of iritis or glaucoma.
"Common Diseases of Farm Animals"
R. A. Craig, D. V. M.