SPONTANEOUS REGRESSION OF MALIGNANT DISEASE
To the Editor:—
Your guest editorial on spontaneous regression of malignant disease, in The Journal, April 11, page 1758, stated that the theory for spontaneous regression of malignant tumors had not been advanced. The theory for disappearance can be evolved from the research work of biochemists Dulkin and Lobstein of the Research Foundation for Diseases of the Eye. They found that lysozyme, an enzyme found in body fluids and in tears, in addition to being...