{"release":"2026.10.0","licence":"CC BY 4.0","attribution":"The Alliance for Cruelty Free Science and savethedogs.uk","resource":{"id":"million-women-study","name":"Million Women Study","short_names":["MWS"],"custodian":"University of Oxford","countries":["GB"],"categories":["biobanks-cohorts"],"description":"Over 1 million UK women recruited 1996–2001 via breast screening; linked to NHS cancer, hospital and death records.","data_types":["questionnaires","registry-records","hospital-records","mortality","biosamples"],"population_groups":["general","older-people","cancer"],"keywords":["women's health","breast cancer","hormone replacement therapy","HRT","menopause","breast screening","cohort"],"access_level":"application","access_route":"Collaboration proposals to the study team, University of Oxford.","eligibility":"Collaborating researchers.","cost":"varies","has_samples":true,"url":"https://www.millionwomenstudy.org","replacement_relevance":"Large human data on hormones, medicines and cancer in women.","status":"active","last_verified":null,"verified_by":"","source_note":"UK Human Data Resources for Research (Oct 2026)."}}