{"id":"W2128582971","doi":"10.1093/jnci/dji095","title":"A Randomized Trial of Antioxidant Vitamins to Prevent Second Primary Cancers in Head and Neck Cancer Patients","year":2005,"lang":"en","type":"article","venue":"JNCI Journal of the National Cancer Institute","topic":"Antioxidant Activity and Oxidative Stress","field":"Medicine","cited_by":230,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université Laval; Centre Hospitalier de l’Université de Montréal; Cégep de Chicoutimi; Centre hospitalier universitaire de Québec; Hôpital Maisonneuve-Rosemont; Centre Hospitalier Universitaire de Sherbrooke","funders":"","keywords":"Medicine; Placebo; Head and neck cancer; Hazard ratio; Internal medicine; Vitamin E; Cancer; Radiation therapy; Randomized controlled trial; Incidence (geometry); Gastroenterology; Confidence interval; Surgery; Antioxidant; Pathology","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.002856785,0.001460407,0.00342542,0.0005623343,0.0007351941,0.0009037077,0.001003499,0.002715604,0.006362633],"category_scores_gemma":[0.004286361,0.0008465992,0.002201066,0.0004862297,0.001342838,0.0008740845,0.0006635411,0.002357966,0.0007506397],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008444046,"about_ca_system_score_gemma":0.002221888,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001472355,"about_ca_topic_score_gemma":0.002849956,"domain_scores_codex":[0.9982105,0.001116648,0.0001601028,0.0002625348,0.00009151824,0.0001587198],"domain_scores_gemma":[0.9975274,0.0008631064,0.000662566,0.0002062447,0.000182779,0.0005578535],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"randomized_trial","study_design_gemma":"randomized_trial","study_design_scores_codex":[0.9901266,0.003248198,0.000523589,0.000350955,0.0005383948,0.00001846101,0.00002538954,0.00007607319,0.000654522,0.00002478647,0.0001722518,0.00424096],"study_design_scores_gemma":[0.9634699,0.03522588,0.0006035119,0.00002044683,0.0003022461,0.000009982074,0.000007561578,0.00007775837,0.00009217186,0.00003728814,0.000148832,0.00000426048],"study_design_candidate":"randomized_trial","study_design_consensus":"randomized_trial","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.984071,0.00559638,0.0004972717,0.001061875,0.001005219,0.006234734,0.0005856502,0.00007244328,0.0008755299],"genre_scores_gemma":[0.9821241,0.002724825,0.001586606,0.001387124,0.0007299145,0.009181204,0.0005860938,0.00001283935,0.001667354],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.006362633,"threshold_uncertainty_score":0.02128518,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.030599438862899,"score_gpt":0.3379489658281916,"score_spread":0.3073495269652926,"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."}}