TY - GEN AU - Speculand,B TI - No ethical differences SN - 0007-0610 PY - 2006///0906 KW - Dental Research KW - ethics KW - Ethics, Research KW - Humans KW - United Kingdom N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1038/sj.bdj.4813778 ER -