Controlled clinical trials: the controls are the key
Gastroenterology
.
1996 Feb;110(2):628-30.
doi: 10.1053/gast.1996.v110.agast960628.
Author
D J Ahnen
PMID:
8566612
DOI:
10.1053/gast.1996.v110.agast960628
No abstract available
Publication types
Comment
Editorial
MeSH terms
Cholangitis, Sclerosing / complications
Colitis, Ulcerative / complications
Colorectal Neoplasms / etiology
Controlled Clinical Trials as Topic / methods*
Humans
Patient Selection
Research Design
Risk Factors