TY - GEN AU - Williams,Robin T W TI - Informed consent for comparative effectiveness trials SN - 1533-4406 PY - 2014///0602 KW - Humans KW - Informed Consent KW - Pragmatic Clinical Trials as Topic KW - ethics N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1056/NEJMc1403310 ER -