TY - GEN AU - Krupp,P AU - Loew,D M TI - Co-dergocrine SN - 0140-6736 PY - 1987///0106 KW - Dihydroergotoxine KW - adverse effects KW - Humans N1 - Publication Type: Letter UR - https://doi.org/10.1016/s0140-6736(86)91461-3 ER -