TY  - RPRT
TI  - When does estrogen replacement therapy improve sleep quality?
AU  - P Polo-Kantola
AU  - R Erkkola
AU  - H Helenius
AU  - K Irjala
AU  - O Polo
PY  - 1998
DO  - 10.1016/s0002-9378(98)70539-3
UR  - https://pubmed.ncbi.nlm.nih.gov/9609575/
ID  - 9609575
ER  -