TY  - RPRT
TI  - Headache rounds: Scarlet scars before headache.
AU  - O Appenzeller
AU  - C Palmer
PY  - 1977
DO  - 10.1111/j.1526-4610.1976.hed1606267.x
UR  - https://pubmed.ncbi.nlm.nih.gov/830615/
ID  - 830615
ER  -