AU  - Bhattacharya P
FAU  - Bhattacharya, Prasanta K.
TI  - Types of Studies in Clinical Research—Part I: Observational Studies
PT  - BOOK SECTION
DP  - 2021
BTI  - Research Methodology in the Health Sciences: A Quick Reference Guide
DA  - 2021
Y2  - 2024/04/25
UR  - accesspharmacy.mhmedical.com/content.aspx?aid=1178940724