[R] Reference for dataset colon (package survival)

[David Winsemius]

On Jan 17, 2012, at 10:48 AM, Matthias Gondan wrote:

> Dear R team, dear Prof. Therneau,
>
> library(survival)
> data(colon)
> ?colon
>
> gives me only a very rudimentary source (only a name). Is there a
> possibility to get a reference to the clinical trial these data
> are taken from?

Wouldn't this seem to be the most promising place to look?

http://www.ncbi.nlm.nih.gov/pubmed?term=lin%20d[au]%205-fu%20levamisole 
%20colon%20cancer

-- 

David Winsemius, MD
West Hartford, CT