AU  - Dawson B
FAU  - Dawson, Beth
AU  - Trapp R
FAU  - Trapp, Robert G.
TI  - Chapter 2. Study Designs in Medical Research
PT  - BOOK SECTION
DP  - 2004
BTI  - Basic & Clinical Biostatistics, 4e
DA  - 2004
Y2  - 2019/12/10
UR  - accessbiomedicalscience.mhmedical.com/content.aspx?aid=2046062