TY  - GEN
AU  - Emanuel,Ezekiel J
AU  - Grady,Christine
TI  - Case study. Is longer always better? Commentary
SN  - 0093-0334
PY  - 2008///0814
KW  - Comprehension
KW  - Consent Forms
KW  - ethics
KW  - Humans
KW  - Nontherapeutic Human Experimentation
KW  - Randomized Controlled Trials as Topic
N1  - Publication Type: Comment; Journal Article
ER  -