Design and methodological considerations in the National Cooperative Gallstone Study: A multicenter clinical trial

Primary Author
Lachin,John M.
Marks,Jay W.
Schoenfield,Leslie J.
NCGS Protocol Committee
Tyor,Malcolm P.
Bennett,Peter H.
Grundy,Scott M.
Hardison,William G. M.
Shaw,Lawrence W.
Thistle,Johnson L.
Vlahcevic,Z. R.
National Cooperative Gallstone Study Group

Volume
2

Issue
3

Start Page
177

Other Pages
229

Publisher
Elsevier Inc

URL
https://www.sciencedirect.com/science/article/pii/019724568190012X

PMID
7326939



Reference Type
Journal Article

Periodical Full
Controlled Clinical Trials

Publication Year
1981

Place of Publication
United States

ISSN/ISBN
0197-2456

Document Object Index
10.1016/0197-2456(81)90012-X