TY  - RPRT
TI  - The perimenopausal transition.
AU  - L Speroff
PY  - 2000
DO  - 10.1111/j.1749-6632.2000.tb06250.x
UR  - https://pubmed.ncbi.nlm.nih.gov/10818426/
ID  - 10818426
ER  -