The strongest emetics, such as sulphate of zinc or apomorphine, should be used, though in case of profound stupor even these may not produce the desired action.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson
If there is a choice, give apomorphine hypodermically.
"Aids to Forensic Medicine and Toxicology"
W. G. Aitchison Robertson
apomorphine is not allied in physiological action to morphine, and may be given in cases of narcotic poisoning.
"Aids to Forensic Medicine and Toxicology"
W. G. Aitchison Robertson