Krupp, P Co-dergocrine. [electronic resource] - Lancet (London, England) Dec 1986 - 1335 p. digital Publication Type: Letter ISSN: 0140-6736 Standard No.: 10.1016/s0140-6736(86)91461-3 doi Subjects--Topical Terms: Dihydroergotoxine--adverse effectsHumans