Format
A dataframe with 44 obs. and 4 variables:
[,1] |
r |
integer |
[,2] |
n |
integer |
[,3] |
centre |
int |
[,1] |
Source
Yusuf, S., Peto, R., Lewis, J., Collins,
R. and Sleight, P. (1984). "Beta blockade during and after myocardial
infarction: an overview of the randomized
trials", Progress in Cardiovascular Diseases,
27, 335--371.