TY - GEN AU - Chick,S E AU - Barth-Jones,D C AU - Koopman,J S TI - Bias reduction for risk ratio and vaccine effect estimators SN - 0277-6715 PY - 2001///0802 KW - Bayes Theorem KW - Bias KW - Computer Simulation KW - Humans KW - Models, Biological KW - Risk KW - Vaccination KW - standards KW - Vaccines KW - immunology N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1002/sim.788 ER -