TY  - RPRT
TI  - Variations in menstrual cycle symptom reporting.
AU  - P Sheldrake
AU  - M Cormack
PY  - 1976
DO  - 10.1016/0022-3999(76)90017-9
UR  - https://pubmed.ncbi.nlm.nih.gov/987237/
ID  - 987237
ER  -