Hospital visitors as controls in case-control studies Visitantes hospitalares como controles em estudos caso-controle
OBJECTIVE: Selecting controls is one of the most difficult tasks in the design of case-control studies. Hospital controls may be inadequate and random controls drawn from the base population may be unavailable. The aim was to assess the use of hospital visitors as controls in a case-control study on...
Saved in:
| Main Authors: | , |
|---|---|
| Format: | Book |
| Published: |
Universidade de São Paulo,
2001-10-01T00:00:00Z.
|
| Subjects: | |
| Online Access: | Connect to this object online. |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|