Temporal trends in early clinical manifestations of perinatal HIV infection in a population-based cohort.

Berk DR, Falkovitz-Halpern MS, Hill DW, Albin C, Arrieta A, Bork JM, Cohan D, Nilson B, Petru A, Ruiz J, Weintrub PS, Wenman W, Maldonado YA, California Pediatric HIV Study Group