TY  - RPRT
TI  - Headache on the pill.
AU  - W H Inman
AU  - M P Vessey
PY  - 1968
DO  - 10.1136/bmj.3.5617.556-a
UR  - https://pubmed.ncbi.nlm.nih.gov/5676961/
ID  - 5676961
ER  -