Scorpio A, Zhang Y (June 1996). "Mutations in pncA, a gene encoding pyrazinamidase/nicotinamidase, cause resistance to the antituberculous drug pyrazinamide in tubercle bacillus". Nat. Med. 2 (6): 662–7. doi:10.1038/nm0696-662. PMID8640557. S2CID8579133.
Scorpio A, Zhang Y (June 1996). "Mutations in pncA, a gene encoding pyrazinamidase/nicotinamidase, cause resistance to the antituberculous drug pyrazinamide in tubercle bacillus". Nat. Med. 2 (6): 662–7. doi:10.1038/nm0696-662. PMID8640557. S2CID8579133.
Scorpio A, Zhang Y (June 1996). "Mutations in pncA, a gene encoding pyrazinamidase/nicotinamidase, cause resistance to the antituberculous drug pyrazinamide in tubercle bacillus". Nat. Med. 2 (6): 662–7. doi:10.1038/nm0696-662. PMID8640557. S2CID8579133.