| TAB vaccine | A suspension of killed typhoid and paratyphoid A and B bacilli. See: typhoid vaccine. Synonym: TAB vaccine. (05 Mar 2000) |
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| calcium leucovorin | <drug> The calcium salt of leucovorin (folinic acid); used to counteract toxic effects of folic acid antagonists, for the treatment of megaloblastic anaemias, and as an adjunct to cyanocobalamin in pernicious anaemia. Synonym: calcium folinate. (05 Mar 2000) |
| leucovorin | <chemical> The active metabolite of folic acid. Leucovorin is used principally as its calcium salt as an antidote to folic acid antagonists which block the conversion of folic acid to folinic acid. Pharmacological action: antidotes. Chemical name: L-Glutamic acid, N-(4-(((2-amino-5-formyl-1,4,5,6,7,8-hexahydro-4-oxo-6-pteridinyl)methyl)amino)benzoyl)- (12 Dec 1998) |
| leucovorin calcium | <drug> The calcium salt of leucovorin (folinic acid); used to counteract toxic effects of folic acid antagonists, for the treatment of megaloblastic anaemias, and as an adjunct to cyanocobalamin in pernicious anaemia. Synonym: calcium folinate. (05 Mar 2000) |