![](/img/cover-not-exists.png)
Subgroup analysis of large trials can guide further research: a case study of vitamin E and pneumonia
Hemila, Harri, Kaprio, JaakkoLanguage:
english
Journal:
Clinical Epidemiology
DOI:
10.2147/CLEP.S16114
Date:
February, 2011
File:
PDF, 202 KB
english, 2011