{"id":"W2092331734","doi":"10.1375/136905203765693816","title":"The Influence of a Male Twin on Birthweight of its Female Co-twin — A Population-based Study","year":2003,"lang":"en","type":"article","venue":"Twin Research","topic":"Birth, Development, and Health","field":"Medicine","cited_by":12,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto; SickKids Foundation","funders":"","keywords":"Demography; Medicine; Birth weight; Population; Sex ratio; Obstetrics; Pregnancy; Biology","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":[0.001252425,0.0002963363,0.0004522434,0.00111722,0.000622749,0.0007492615,0.0004776496,0.0004779614,0.001586696],"category_scores_gemma":[0.004714045,0.0005050626,0.0004820284,0.001118435,0.000349554,0.0004826183,0.000489888,0.0005917276,0.0003005848],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003457476,"about_ca_system_score_gemma":0.000273005,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004819831,"about_ca_topic_score_gemma":0.005794478,"domain_scores_codex":[0.9991027,0.0002833903,0.00008827178,0.0002331305,0.0002061931,0.00008636334],"domain_scores_gemma":[0.9979717,0.000508806,0.0007168626,0.0002608012,0.0002155487,0.0003262616],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00007452135,0.00002017977,0.9986832,0.000004106245,0.00005824494,0.00009819498,0.00007974521,0.00000845896,0.00009567965,0.00001364816,0.00003717675,0.0008268807],"study_design_scores_gemma":[0.000007686558,0.0001125126,0.9979972,0.000007972308,0.00006810449,0.001262654,0.0001820665,0.0001039553,0.00005120891,0.00002140421,0.0001803582,0.000004923668],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9990585,0.0003367566,0.00006810452,0.00002688442,0.000005382178,0.00000453115,0.00009425118,0.000001376435,0.0004042563],"genre_scores_gemma":[0.9994826,0.0001994226,0.00005270067,0.00001713145,0.00001302218,0.000004794679,0.0001155787,0.000002198692,0.0001125804],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004819831,"threshold_uncertainty_score":0.009583592,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1084507915538806,"score_gpt":0.4336874294631662,"score_spread":0.3252366379092856,"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."}}