Volume 7, Number 6—December 2001
Research
The Serologic Response to Cryptosporidium in HIV-Infected Persons: Implications for Epidemiologic Research
Figure 1

Figure 1. Receiver operator curve for various immunoglobulin G (IgG) cutoff values (shown in parentheses), based on the seven cases that had a blood sample within 200 days of their diagnosis date.