At the annual meeting of the American Dermatological Association in 1924, under the title of "Mycotic Paronychia and Dermatitis," the results of a study demonstrating the etiology, pathology and symptomatology of what apparently was at that time a new clinical entity were reported.1 In addition, this investigation included the successful therapeutic management of the disease by the use of certain essential oils—a use apparently entirely new for a group of drugs long familiar in pharmacologic texts. Such a strikingly favorable therapeutic response on the part of a disease that is representative of a group containing many members refractory to ordinary remedies seemed worthy of further investigation. This was undertaken, and the results were reported at the meeting of this association three years later, in 1927.2 The latter study, while admitting the vast discrepancy often existing between laboratory experimentation and clinical application, still seemed to demonstrate a superiority on
KINGERY LB. THYMOL AND CINNAMON OIL IN THE TREATMENT OF RINGWORM OF THE SCALP. Arch Derm Syphilol. 1929;20(6):797–805. doi:10.1001/archderm.1929.01440060033003
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