title: The immunosuppressive activity of 9-butylazathioprine, used alone and with azathioprine.
mesh_terms: D000818:Animals; D001379:Azathioprine / Q000138:chemical synthesis / Q000633:toxicity*; D004285:Dogs; D005260:Female; D007166:Immunosuppressive Agents / Q000633:toxicity*; D051379:Mice; D011687:Purines / Q000138:chemical synthesis / Q000633:toxicity*
chemical_list: D007166:Immunosuppressive Agents; D011687:Purines; D001379:Azathioprine