Tibolone and breast cancer risk: effects of selection bias cannot be eliminated in observational studies

Research output: Contribution to journalArticlepeer-review

Details

Original languageEnglish
Pages (from-to)919
JournalBJOG
Volume115
Issue number7
Publication statusPublished - Jun 2008

Keywords

  • Breast Neoplasms, Cohort Studies, Estrogen Receptor Modulators, Female, Humans, Norpregnenes, Risk Factors, Selection Bias