{"id":"W2037009820","doi":"10.1016/j.pain.2013.06.026","title":"Lack of endogenous opioid release during sustained visceral pain: A [11C]carfentanil PET study","year":2013,"lang":"en","type":"article","venue":"Pain","topic":"Pain Management and Placebo Effect","field":"Neuroscience","cited_by":13,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Medicine; Opioid; Anesthesia; Endogenous opioid; Endogeny; Internal medicine; Receptor","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003089769,0.0002870762,0.0003978122,0.0001541388,0.0001184552,0.000243647,0.0001809227,0.0004593486,0.00177388],"category_scores_gemma":[0.000487344,0.0002492428,0.0001291165,0.00009354899,0.0004459256,0.0002186248,0.0001120429,0.0002394872,0.0001883869],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001485508,"about_ca_system_score_gemma":0.0001087238,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0005974034,"about_ca_topic_score_gemma":0.0005947789,"domain_scores_codex":[0.9999145,0.00002055223,0.000004310825,0.00002410028,0.00001470654,0.00002186632],"domain_scores_gemma":[0.9997662,0.0000824503,0.00004975845,0.00003534984,0.00002485777,0.00004128355],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.02623119,0.0008028066,0.115043,0.0002366463,0.0001928802,0.005701265,0.0003785408,0.0003039838,0.8302563,0.0001425686,0.000125874,0.02058496],"study_design_scores_gemma":[0.0003874532,0.01264637,0.9358055,0.00001206086,0.0002050903,0.0102902,0.0002249226,0.001408476,0.03814019,0.0001162862,0.000740097,0.00002343984],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9993504,0.000327495,0.0001692906,0.00001506609,0.00000269371,0.000005366061,0.00001546753,0.000002127519,0.0001120523],"genre_scores_gemma":[0.9996052,0.0001113142,0.00006021894,0.00002237997,0.000007395928,0.000005219769,0.00003207416,0.000001602421,0.0001546066],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00177388,"threshold_uncertainty_score":0.005934238,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04246694029921053,"score_gpt":0.2623623069133831,"score_spread":0.2198953666141726,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}