{"id":"W2019118997","doi":"10.1016/j.steroids.2005.11.004","title":"Use of isotope ratio mass spectrometry to detect doping with oral testosterone undecanoate: Inter-individual variability of 13C/12C ratio","year":2006,"lang":"en","type":"article","venue":"Steroids","topic":"Hormonal and reproductive studies","field":"Medicine","cited_by":37,"is_retracted":false,"has_abstract":false,"ca_institutions":"","funders":"Bundesamt für Sport; World Anti-Doping Agency","keywords":"Etiocholanolone; Androsterone; Isotope-ratio mass spectrometry; Chemistry; Testosterone (patch); Urine; Endocrinology; Oral administration; Internal medicine; δ13C; Washout; Metabolism; Chromatography; Mass spectrometry; Stable isotope ratio; Medicine; Hormone; Biochemistry; Steroid","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"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":[0.002817945,0.0009131382,0.001211164,0.001855471,0.001328217,0.001018011,0.000838845,0.001821508,0.0008089392],"category_scores_gemma":[0.004883436,0.0008803172,0.0004157594,0.001910698,0.001096803,0.000373087,0.0003414713,0.001129461,0.0003363044],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005849693,"about_ca_system_score_gemma":0.001190119,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.009510719,"about_ca_topic_score_gemma":0.01476202,"domain_scores_codex":[0.997493,0.0008092228,0.0001174236,0.0006070774,0.0008557503,0.0001175125],"domain_scores_gemma":[0.9978445,0.0009763155,0.0002542036,0.0002782577,0.0005248342,0.0001219038],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.006474893,0.0006277593,0.2415198,0.0002413435,0.001828821,0.0004161838,0.001581993,0.001197826,0.6821745,0.0006685817,0.0008494838,0.06241878],"study_design_scores_gemma":[0.0001841942,0.002326772,0.4015906,0.00005392625,0.001330321,0.003314935,0.0005553407,0.01435991,0.5706356,0.0005945882,0.004907256,0.0001466801],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9548718,0.006716074,0.03244497,0.0002236756,0.0003878743,0.0001749222,0.0007196118,0.0002891291,0.004171975],"genre_scores_gemma":[0.9726031,0.001727166,0.02161337,0.0004916511,0.00006749795,0.000144073,0.0004718289,0.0001909585,0.00269018],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.009510719,"threshold_uncertainty_score":0.01891071,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03270742489601963,"score_gpt":0.2667037843722267,"score_spread":0.2339963594762071,"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."}}