Research methods in community medicine : surveys, epidemiological research, programme evaluation, clinical trials /
J. H. Abramson, Z. H. Abramson
- 6th ed.
- Chichester, Sussex : John Wiley & Sons, 2008
- vi, 414 p. : ill. ; 24 cm.
9780470986615 RM231.00
Research--Methods Community medicine Clinical Trials as Topic Epidemiologic Methods Program evaluation