Comment on

• A comparative trial of didanosine or zalcitabine after treatment with zidovudine in patients with human immunodeficiency virus infection. The Terry Beirn Community Programs for Clinical Research on AIDS.

  Abrams DI, Goldman AI, Launer C, Korvick JA, Neaton JD, Crane LR, Grodesky M, Wakefield S, Muth K, Kornegay S, et al. Abrams DI, et al. N Engl J Med. 1994 Mar 10;330(10):657-62. doi: 10.1056/NEJM199403103301001. N Engl J Med. 1994. PMID: 7906384 Clinical Trial.