title: Synergism in immunosuppression. I. Effect of methylprednisolone, azathioprine, chlorambucil, and radiation on tetanus antitoxin production.
mesh_terms: D000818:Animals; D001379:Azathioprine / Q000494:pharmacology; D001681:Biological Assay; D002699:Chlorambucil / Q000494:pharmacology*; D004357:Drug Synergism; D007166:Immunosuppressive Agents / Q000494:pharmacology*; D008722:Methods; D008775:Methylprednisolone / Q000494:pharmacology*; D051379:Mice; D011830:Radiation Effects; D013743:Tetanus Antitoxin / Q000037:antagonists & inhibitors* / Q000528:radiation effects*
chemical_list: D007166:Immunosuppressive Agents; D013743:Tetanus Antitoxin; D002699:Chlorambucil; D001379:Azathioprine; D008775:Methylprednisolone