TY  - BOOK
AU  - Hackshaw,Allan
TI  - A concise guide to observational studies in healthcare
SN  - 9780470658673
PY  - 2015///
CY  - Chichester, West Sussex
PB  - John Wiley & Sons Inc.
KW  - Observational Study as Topic
KW  - methods
KW  - Outcome and process assessment (Health care)
KW  - Epidemiologic Research Design
ER  -