Cite
Obtaining data from randomised controlled trials: how much do we need for reliable and informative meta-analyses?
MLA
Clarke, Michael J., and Lesley A. Stewart. “Obtaining Data from Randomised Controlled Trials: How Much Do We Need for Reliable and Informative Meta-Analyses?” British Medical Journal, vol. 309, no. 6960, Oct. 1994, p. 1007. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsggo&AN=edsgcl.15905055&authtype=sso&custid=ns315887.
APA
Clarke, M. J., & Stewart, L. A. (1994, October 15). Obtaining data from randomised controlled trials: how much do we need for reliable and informative meta-analyses? British Medical Journal, 309(6960), 1007.
Chicago
Clarke, Michael J., and Lesley A. Stewart. 1994. “Obtaining Data from Randomised Controlled Trials: How Much Do We Need for Reliable and Informative Meta-Analyses?” British Medical Journal, October 15. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsggo&AN=edsgcl.15905055&authtype=sso&custid=ns315887.