leprosy history

Dr. Isabel Kerr, a European missionary, administering to a patient a chaulmoogra oil treatment in 1915, prior to the invention of the Ball Method. George McGlashan Kerr, CC BY

Dr. Isabel Kerr, a European missionary, administering to a patient a chaulmoogra oil treatment in 1915, prior to the invention of the Ball Method. George McGlashan Kerr, CC BY

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