TY  - BOOK
AU  - Abramson,J H
AU  - Abramson,Z H
TI  - Research methods in community medicine: surveys, epidemiological research, programme evaluation, clinical trials 
SN  - 9780470986615
PY  - 2008///
CY  - Chichester
PB  -  John Wiley and Sons Limited, 
KW  - Community medicine
KW  - Surveys
KW  - Epidemiologic methods
KW  - Health
KW  - Research
KW  - Clinical trials
ER  -