"Poisons." . . . . . . . . . . . . "Putrefactive and physiological alkaloids"@en . . . . . . . "Ptomaines and leucomaines"@en . . . "Ptomaïnes and leucomaïnes, and bacterial proteids or the chemical factors in the causation of disease"@en . . "Ptomaïnes and leucomaïnes, and bacterial proteids: or the chemical factors in the causation of disease" . "Ptomaines and leucomaines, or, The putrefactive and physiological alkaloids"@en . . . . . . . . "Ptomaines and leucomaines; or, The putrefactive and physiological alkaloids" . "Ptomaines and leucomaines, or the putrefactive and physiological alkaloids" . "Ptomaines and leucomaines"@en . . "Pathology." . . "Disease etiology." . .