An outbreak of tuberculosis with accelerated progression among persons infected with the human immunodeficiency virus. An analysis using restriction-fragment-length polymorphisms: Daley CL, Small PM, Schecter GF, et al. N Engl J Med 1992; 326: 231-5. Reprint requests: Dr. Charles L. Daley, Chest Service, Rm. 5K1, San Francisco General Hospital, San Francisco, CA 94110