A Prospective Cohort Study of Serum Estradiol (E2) Levels in Breast Cancer Patients During Endocrine Therapy by High Performance Liquid Chromatography-tandem Mass Spectrometry (LC-MS /MS)

Conditions: Breast Cancer Interventions: Drug: AIs; Drug: OFS+AIs; Drug: FUL Sponsors: Sun Yat-sen University Recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials