{"id":"W4240647713","doi":"10.1016/s0140-6736(03)14237-7","title":"Twinning","year":2003,"lang":"en","type":"review","venue":"The Lancet","topic":"Assisted Reproductive Technology and Twin Pregnancy","field":"Medicine","cited_by":596,"is_retracted":false,"has_abstract":false,"ca_institutions":"British Columbia Children's Hospital","funders":"","keywords":"Crystal twinning; Monozygotic twin; Pregnancy; Twin Pregnancy; Dizygotic twin; Singleton; In utero; Obstetrics; Dizygotic twins; Reproductive technology; Assisted reproductive technology; Medicine; Ovulation; Fetus; Biology; Twin study; Infertility; Genetics; Chemistry","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003147266,0.0002027875,0.001638604,0.00005915952,0.00008113783,0.000006155438,0.0002638645,0.0002894725,0.0001162715],"category_scores_gemma":[0.0001519328,0.0001003951,0.0002401799,0.0002645804,0.0001576053,0.00001244809,0.00005583311,0.0009680734,0.0003683626],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00003893845,"about_ca_system_score_gemma":0.0001059591,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":5.197714e-7,"about_ca_topic_score_gemma":9.941525e-8,"domain_scores_codex":[0.9990779,0.0001055036,0.0002112115,0.000291974,0.00007545254,0.0002380111],"domain_scores_gemma":[0.9984128,0.00005925259,0.0001434027,0.001336297,0.00002360973,0.00002461651],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00000425202,0.00001835861,0.00003173327,0.005299977,0.0002442242,0.00003257442,0.00001053546,7.660632e-9,7.253227e-8,0.002548216,0.01960982,0.9722002],"study_design_scores_gemma":[0.0001885444,0.00002412946,0.00002073883,0.01149101,0.001025491,0.0006949749,0.000004153549,5.039426e-8,7.906981e-7,0.0004026532,0.9860441,0.0001033658],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"review","genre_gemma":"review","genre_scores_codex":[6.913145e-7,0.9506332,0.00001958519,0.0006279144,0.0002738816,0.0004558071,0.000004761336,0.00016941,0.04781476],"genre_scores_gemma":[0.000003737971,0.9915959,0.0003346194,0.000285571,0.0009408536,0.0000675052,0.00001713572,0.00003338843,0.006721338],"genre_candidate":"review","genre_consensus":"review","teacher_disagreement_score":0.9720969,"threshold_uncertainty_score":0.4734679,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1349328149617812,"score_gpt":0.3887106686545219,"score_spread":0.2537778536927407,"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."}}