TY  - CHAP
M1  - Book, Section
TI  - Chapter 3. Observational Study Designs
A1  - Waning, Brenda
A1  - Montagne, Michael
PY  - 2001
T2  - Pharmacoepidemiology: Principles and Practice
AB  - One  of  two  major  approaches  in  conducting  epidemiological  investigations  involves  observation  of  the  disease,  drug  use  problem,  or  other  phenomenon  of  interest.  The  other  major  approach,  called  experimental  epidemiology,  is  discussed  in  Chapter  4.  
SN  - 
PB  - The McGraw-Hill Companies
CY  - New York, NY
Y2  - 2024/04/20
UR  - accesspharmacy.mhmedical.com/content.aspx?aid=2642545
ER  -