After five years' experience with the phytopharmacologic test, we believe that a third communication is in order for the purpose of a summary to date of results in pemphigus, and as a pertinent corollary to add some critical comments.
Moreover, it gives opportune advantage to direct attention to certain other dermatoses which require elucidation. These conditions have come to our attention because apparently phytotoxic readings have been recorded sufficiently often to awaken more interest in dermatologic diagnosis and pathogenesis and perhaps in etiology. This is something of a compromise with our former communications, and is the result of a more comprehensive study. It will therefore be our purpose to discuss these findings in a general way, in order to place some evaluation on the possibilities of the test. In a previous communication we discussed the difficulties, the disadvantages and the pitfalls 1 of the technic, but we have also stressed
PELS IR, MACHT DI. PHYTOPHARMACOLOGIC TEST IN DERMATOLOGY: FURTHER STUDIES AND SOME CRITICAL ESTIMATIONS. Arch Derm Syphilol. 1934;29(2):206–218. doi:https://doi.org/10.1001/archderm.1934.01460080036003
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