![](/img/cover-not-exists.png)
A defence of the small clinical trial: evaluation of three gastroenterological studies.
Powell-Tuck, J, MacRae, K D, Healy, M J, Lennard-Jones, J E, Parkins, R AVolume:
292
Language:
english
Journal:
BMJ
DOI:
10.1136/bmj.292.6520.599
Date:
March, 1986
File:
PDF, 908 KB
english, 1986