Survey methods in community medicine : epidemiological research, programme evalution, clinical trials /
J. H. Abramson, Z. H. Abramson
- 5th ed.
- Edinburgh : Churchill Livingstone, 1999
- 419p. : ill. ; 22 cm
0443061637 RM145.53
98-32444
Community medicine Epidemiologic Methods Program Evalution Clinical trials Research--Methods