Merck's manual of the materia medica : together with a summary of therapeutic indications and a classification of medicaments. A ready reference pocket book for the practicinf physician. Containing Names and chief synonyms, physical form and apperance, percentage strengths, etc, etc. / compiled. Merck & Co. - Merck & Co. (New York : Merck & Co., 1899)
Keywords: Medicina interna -- Manuales; Terapeutica -- Manuales