INPLASY202670107 Systemic Estradiol Levels Following Vaginal Estrogen Therapy: A Scoping Review Protocol Across Formulations and Measurement Methods Keywords: Vaginal estrogen; Estradiol; Genitourinary syndrome of menopause; LC-MS/ MS; Systemic absorption; Postmenopause; Scoping review; Breast cancer survivors. Read and download full-text here - PDF 202670107 Review Status: ongoing