TY  - GEN
AU  - Moser,Bernadetta
AU  - Röggla,Georg
TI  - Should observational clinical studies require ethics committee approval?
SN  - 1440-2440
PY  - 2009///0113
KW  - Clinical Trials as Topic
KW  - economics
KW  - Ethics Committees
KW  - Financial Support
KW  - ethics
KW  - Observation
N1  - Publication Type: Comment; Letter
UR  - https://doi.org/10.1016/j.jsams.2007.11.002
ER  -