TY  - RPRT
TI  - Life events and headache.
AU  - G Invernizzi
AU  - C Gala
AU  - E Sacchetti
PY  - 1985
DO  - 10.1177/03331024850050s245
UR  - https://pubmed.ncbi.nlm.nih.gov/4016939/
ID  - 4016939
ER  -