TY  - RPRT
TI  - Headache classification and factor analysis with a pediatric population.
AU  - J A Mindell
AU  - F Andrasik
PY  - 1987
DO  - 10.1111/j.1526-4610.1987.hed2702096.x
UR  - https://pubmed.ncbi.nlm.nih.gov/3570767/
ID  - 3570767
ER  -