TY  - RPRT
TI  - Severe vascular spasm due to erythromycin-ergotamine interaction.
AU  - H Francis
AU  - A Tyndall
AU  - J Webb
PY  - 1984
DO  - 10.1007/bf02030764
UR  - https://pubmed.ncbi.nlm.nih.gov/6236021/
ID  - 6236021
ER  -