TY  - BOOK
AU  - Abramson, J. H.
AU  - Abramson, Z. H.
TI  - Research methods in community medicine: Surveys,epidemiological research,programme evaluation,clinical trials 
SN  - 9780470987230
PY  - 2008///
PB  - Wiley Online Library
KW  - Medical Statistics, Epidemology
ER  -