TY - GEN AU - Flandre,P AU - Saidi,Y TI - Estimating the proportion of treatment effect explained by a surrogate marker SN - 0277-6715 PY - 1999///0429 KW - Biomarkers KW - CD4 Lymphocyte Count KW - HIV Infections KW - drug therapy KW - Humans KW - Treatment Outcome KW - Zidovudine KW - pharmacology N1 - Publication Type: Letter UR - https://doi.org/10.1002/(sici)1097-0258(19990115)18:1<107::aid-sim965>3.0.co;2-p ER -