TY - GEN AU - HernĂ¡n,Miguel A AU - Robins,James M TI - Instruments for causal inference: an epidemiologist's dream? SN - 1044-3983 PY - 2006///1212 KW - Bias KW - Confounding Factors, Epidemiologic KW - Double-Blind Method KW - Epidemiologic Studies KW - Models, Statistical KW - Practice Patterns, Physicians' KW - Probability KW - Randomized Controlled Trials as Topic KW - Statistics, Nonparametric N1 - Publication Type: Journal Article UR - https://doi.org/10.1097/01.ede.0000222409.00878.37 ER -