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

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

Research output: Contribution to journalArticle

37 Scopus citations
Original languageEnglish (US)
Pages (from-to)177-229
Number of pages53
JournalControlled Clinical Trials
Volume2
Issue number3
DOIs
StatePublished - Sep 1981

ASJC Scopus subject areas

  • Pharmacology

Cite this

Lachin, J. M., Marks, J. W., Schoenfield, L. J., NCGS Protocol Committee, P. C., Tyor, M. P., Bennett, P. H., Grundy, S. M., Hardison, W. G. M., Shaw, L. W., Thistle, J. L., Vlahcevic, Z. R., & National Cooperative Gallstone Study Group, C. G. S. G. (1981). Design and methodological considerations in the National Cooperative Gallstone Study: A multicenter clinical trial. Controlled Clinical Trials, 2(3), 177-229. https://doi.org/10.1016/0197-2456(81)90012-X