TY  - RPRT
TI  - Changed patterns of "sinus headache".
AU  - P N Pastore
PY  - 1968
DO  - 10.1111/j.1526-4610.1968.hed0704163.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5635164/
ID  - 5635164
ER  -