TY  - RPRT
TI  - Methodological issues in studies of premenstrual changes.
AU  - U Halbreich
AU  - J Endicott
PY  - 1985
DO  - 10.1016/0306-4530(85)90036-8
UR  - https://pubmed.ncbi.nlm.nih.gov/3923510/
ID  - 3923510
ER  -