TY  - RPRT
TI  - Headache and school absence.
AU  - C Collin
AU  - J M Hockaday
AU  - W E Waters
PY  - 1985
DO  - 10.1136/adc.60.3.245
UR  - https://pubmed.ncbi.nlm.nih.gov/3985656/
ID  - 3985656
ER  -