AU  - Waning B
FAU  - Waning, Brenda
AU  - Montagne M
FAU  - Montagne, Michael
TI  - Chapter 3. Observational Study Designs
PT  - BOOK SECTION
DP  - 2001
BTI  - Pharmacoepidemiology: Principles and Practice
DA  - 2001
Y2  - 2024/04/20
UR  - accesspharmacy.mhmedical.com/content.aspx?aid=2642545