TY - GEN AU - Altman,D G TI - Statistics and ethics in medical research: study design SN - 0007-1447 PY - 1981///0129 KW - Biomedical Research KW - Clinical Trials as Topic KW - Epidemiologic Methods KW - Ethics, Medical KW - Human Experimentation KW - Humans KW - Informed Consent KW - Patient Selection KW - Placebos KW - Random Allocation KW - Research Design KW - standards KW - Research Subjects KW - Statistics as Topic N1 - Publication Type: Clinical Trial; Journal Article UR - https://doi.org/10.1136/bmj.281.6250.1267 ER -