424 / | HD | DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS |
184.1 | DF | ANTIGEN, EPITOPE, OR OTHER IMMUNOSPECIFIC IMMUNOEFFECTOR (E.G., IMMUNOSPECIFIC VACCINE, IMMUNOSPECIFIC STIMULATOR OF CELL-MEDIATED IMMUNITY, IMMUNOSPECIFIC TOLEROGEN, IMMUNOSPECIFIC IMMUNOSUPPRESSOR, ETC.) {15} |
275.1 | DF | .~ Allergen or component thereof (e.g., ragweed pollen, etc.) {1} |
276.1 | .~.~ Characterized by molecular weight |