TY  - BOOK
AU  - Hughes,Alain E.
TI  - Scientific and ethical approaches for observational exposure studies
T2  - Public health in the 21st century
SN  - 9781608760343
PY  - 2010///
CY  - New York
PB  - Nova Science Publishers
KW  - Human experimentation
KW  - Research
KW  - Ethics
KW  - Moral
ER  -