Repository Therapy

To the Editor:—  It is difficult to ascertain what new information Dr. Appelman desired to bring to whose attention regarding what and for what purpose. His opening word implied he had carefully read the literature. He uses Potter and Robertson's work as a reference. However, these investigators, after working with mice especially inbred to develop plasma-cell neoplasms, quite clearly stated in their conclusion, "It is not possible to implicate directly the paraffin-oil staphylococcus emulsion as the inducer of the 7 plasmacell neoplasms, because of the few cases and the lack of controls."I feel that this paper is untimely, in view of the many innovations in emulsion therapy that have been developed in the past two or three years by those using it. Emulsified extracts are but another tool in the treatment of the allergic patient, and their importance must be kept in proper perspective. What original and constructive perspective