{"id":"W2019612900","doi":"10.1111/j.2047-2927.2013.00131.x","title":"Sildenafil increases serum testosterone levels by a direct action on the testes","year":2013,"lang":"en","type":"article","venue":"Andrology","topic":"Sexual function and dysfunction studies","field":"Medicine","cited_by":67,"is_retracted":false,"has_abstract":true,"ca_institutions":"Greenfield Research (Canada)","funders":"Eunice Kennedy Shriver National Institute of Child Health and Human Development; National Center for Research Resources; National Institute of Child Health and Human Development; National Institute on Aging; Clinical and Translational Science Institute, Boston University","keywords":"Testosterone (patch); Internal medicine; Endocrinology; Sildenafil; Cyclic guanosine monophosphate; cGMP-specific phosphodiesterase type 5; Erectile dysfunction; Dihydrotestosterone; Luteinizing hormone; Medicine; Chemistry; Androgen; Hormone; Nitric oxide","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":[0.0003210415,0.000287608,0.000451976,0.0002664845,0.0001412288,0.0003880905,0.0001311916,0.0001646886,0.002017116],"category_scores_gemma":[0.0003701086,0.0001736203,0.0002427498,0.0002563408,0.0001814894,0.0001660882,0.0001578063,0.0004249832,0.0002103421],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001902146,"about_ca_system_score_gemma":0.0002302517,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0006018999,"about_ca_topic_score_gemma":0.001580606,"domain_scores_codex":[0.9997379,0.0000634082,0.00001955125,0.00003159717,0.0001218501,0.00002568063],"domain_scores_gemma":[0.9998074,0.00005538542,0.00007302903,0.00001256215,0.00001961806,0.00003195253],"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":[0.00696284,0.0009396353,0.05129433,0.001167911,0.0005513883,0.0002837181,0.0001490997,0.0003920486,0.7581414,0.0004573422,0.001640811,0.1780195],"study_design_scores_gemma":[0.002034605,0.02167917,0.6431724,0.0001416486,0.0005844102,0.001219607,0.000111593,0.001652985,0.3053524,0.0002285335,0.02379605,0.00002669756],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.951432,0.03986028,0.002761347,0.0003757282,0.0002288356,0.000101441,0.0008080067,0.0001949506,0.0042373],"genre_scores_gemma":[0.9869781,0.008522253,0.001560064,0.000232849,0.0002458138,0.00003422471,0.0006917295,0.00001309441,0.001721867],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002017116,"threshold_uncertainty_score":0.006747901,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06746585757599774,"score_gpt":0.2930042549463964,"score_spread":0.2255383973703987,"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."}}