Classic texts: Scudder's Materia Medica, 1898: Alteratives.
Classic texts: Eli Jones' Definite Medication, 1911.
Classic texts: Ellingwood 1910.
Classic texts: Thomas 1907.
Classic texts: Journals: NEMAQ 1915-1916.
Classic texts: Journals: AJP 1881.
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Plant Healer Magazine: Very relevant to the practitioner.
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