What resolves this contention: {'position': 'Anti-drug vaccines and antibodies…

What resolves this contention: {'position': 'Anti-drug vaccines and antibodies show strong preclinical efficacy and can prevent drug access to the brain', 'supporting_dois': ['10.3390/pharmaceutics14112368', '10.1111/bcp.12115', '10.1016/j.biopsych.2005.04.032'], 'cite_keys': []} / {'position': 'Clinical trials of cocaine and nicotine vaccines have consistently failed due to variable antibody titers and compensatory dose escalation', 'supporting_dois': ['10.1021/jacs.0c05219', '10.3390/pharmaceutics14112368', '10.1111/bcp.12115'], 'cite_keys': []}