PT - JOURNAL ARTICLE AU - J. M. LE GOFF TI - COBALT AS VASO-DILATOR DP - 1930 Jan 01 TA - Journal of Pharmacology and Experimental Therapeutics PG - 1--9 VI - 38 IP - 1 4099 - http://jpet.aspetjournals.org/content/38/1/1.short 4100 - http://jpet.aspetjournals.org/content/38/1/1.full SO - J Pharmacol Exp Ther1930 Jan 01; 38 AB - 1. A few centigrams of cobalt compounds, 1 to 5, are not toxic for man. 2. Their main and outstanding effect is the vaso-dilatation of the blood vessels of the face and the ears with a fall in blood pressure. 3. This redness of the face seems to be produced by a paralyzing effect of cobalt acting on the sympathetic system.