Comment on

• Exogenous reinfection with multidrug-resistant Mycobacterium tuberculosis in patients with advanced HIV infection.

  Small PM, Shafer RW, Hopewell PC, Singh SP, Murphy MJ, Desmond E, Sierra MF, Schoolnik GK. Small PM, et al. N Engl J Med. 1993 Apr 22;328(16):1137-44. doi: 10.1056/NEJM199304223281601. N Engl J Med. 1993. PMID: 8096066
• Brief report: primary infection with zidovudine-resistant human immunodeficiency virus type 1.

  Erice A, Mayers DL, Strike DG, Sannerud KJ, McCutchan FE, Henry K, Balfour HH Jr. Erice A, et al. N Engl J Med. 1993 Apr 22;328(16):1163-5. doi: 10.1056/NEJM199304223281605. N Engl J Med. 1993. PMID: 8455683 No abstract available.