Reduction of serum melatonin levels in HIV-1-infected individuals' parallel disease progression: correlation with serum interleukin-12 levels.
Nunnari G, Nigro L, Palermo F, Leto D, Pomerantz RJ, Cacopardo B. Reduction of serum melatonin levels in HIV-1-infected individuals' parallel disease progression: correlation with serum interleukin-12 levels. Infection. 2003 Dec; 31(6):379-82.