TY - GEN AU - Fernandes,Natasha AU - Vist,Gunn AU - Bryant,Dianne TI - The concept of risk in comparative effectiveness research SN - 1533-4406 PY - 2015///0311 KW - Comparative Effectiveness Research KW - legislation & jurisprudence KW - Government Regulation KW - Guidelines as Topic KW - Humans KW - Informed Consent N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1056/NEJMc1415933 ER -