TY  - RPRT
TI  - Problems in studying menstrual headaches.
AU  - P Solbach
AU  - L Coyne
AU  - J Sargent
PY  - 1988
DO  - 10.1111/j.1526-4610.1988.hed2803225_1.x
UR  - https://pubmed.ncbi.nlm.nih.gov/3384648/
ID  - 3384648
ER  -