| 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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| pyrazinamide | <chemical> A pyrazine that is used therapeutically as an antitubercular agent. Pharmacological action: antitubercular agents. Chemical name: Pyrazinecarboxamide (12 Dec 1998) |
| pyrazinamide deamidase | <enzyme> Pyrazinamide forms pyrazinoic acid and ammonia Registry number: EC 3.5.1.- Synonym: pyrazinamidase, pnca gene product (26 Jun 1999) |