TY  - RPRT
TI  - Chewing gum headaches.
AU  - H J Blumenthal
AU  - D A Vance
DO  - 10.1046/j.1526-4610.1997.3710665.x
UR  - https://pubmed.ncbi.nlm.nih.gov/9439090/
ID  - 9439090
ER  -