title: Effect of cyclic AMP and polyadenylic acid treatment on the delayed hypersensitivity of guinea pigs.
mesh_terms: D000241:Adenosine; D000818:Animals; D001202:Ascitic Fluid / Q000166:cytology; D002452:Cell Count; D000242:Cyclic AMP / Q000008:administration & dosage / Q000009:adverse effects*; D003888:Desensitization, Immunologic; D005260:Female; D006168:Guinea Pigs; D006968:Hypersensitivity, Delayed / Q000139:chemically induced / Q000188:drug therapy*; D007271:Injections, Intradermal; D007274:Injections, Intraperitoneal; D007958:Leukocyte Count; D008214:Lymphocytes; D008264:Macrophages; D011119:Polynucleotides / Q000008:administration & dosage / Q000009:adverse effects*; D012882:Skin Tests
chemical_list: D011119:Polynucleotides; D000242:Cyclic AMP; D000241:Adenosine