TY  - BOOK
AU  - ABRAMSON,J.H. author
AU  - ABRAMSON, Z. H.
TI  - Survey methods in community medicine : epidemiological research programme evaluation clinical trials
SN  - 0443061637
PY  - 1999///
CY  - Edinburgh
PB  - Churchhill Livingstone
KW  - Community health services
KW  - Clinical trials
ER  -