A Study to Compare Two Anti-HIV Drug Combinations That Include Amprenavir in HIV-Infected Patients Who Have Failed Anti-HIV Drug Combinations That Did Not Include Amprenavir

Bentley-Salick Med Practice, New York

Georgetown Univ Med Ctr, Washington D.C.

Natl Institute of Allergy and Infectious Diseases, Bethesda

IDC Research Initiative, Altamonte Springs

Kansas City AIDS Research Consortium, Kansas City

Associates in Med and Mental Health, Tulsa

Saint Francis Mem Hosp, San Francisco

Portland Veterans Adm Med Ctr / Rsch & Education Grp, Portland