TY  - BOOK
AU  - Abramson,J.H.
AU  - Abramson,Z.H.
TI  - Survey methods in community medicine: epidemiological research, programme evalution, clinical trials 
SN  - 0443061637
PY  - 1999///
CY  - Edinburgh
PB  - Churchill Livingstone
KW  - Community medicine
KW  - Epidemiologic Methods
KW  - Program Evalution
KW  - Clinical trials
KW  - Research
KW  - Methods
ER  -