title: Attenuation of morphine analgesia by serum from morphine-treated rabbits.
mesh_terms: D000698:Analgesia; D000818:Animals; D000906:Antibodies; D000917:Antibody Formation; D001681:Biological Assay; D005779:Immunodiffusion; D008297:Male; D009020:Morphine / Q000276:immunology* / Q000494:pharmacology; D011817:Rabbits / Q000276:immunology; D051381:Rats; D013997:Time Factors; D005719:gamma-Globulins / Q000378:metabolism
chemical_list: D000906:Antibodies; D005719:gamma-Globulins; D009020:Morphine