[Three types of bias: distortion of research results and how that can be prevented].

MLA

Groenwold, Rolf H. H. “[Three Types of Bias: Distortion of Research Results and How That Can Be Prevented].” Nederlands Tijdschrift Voor Geneeskunde, vol. 157, no. 40, 2013, p. A6497. 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=cmedm&AN=25714762&authtype=sso&custid=ns315887.

APA

Groenwold, R. H. H. (2013). [Three types of bias: distortion of research results and how that can be prevented]. Nederlands Tijdschrift Voor Geneeskunde, 157(40), A6497.

Chicago

Groenwold, Rolf H H. 2013. “[Three Types of Bias: Distortion of Research Results and How That Can Be Prevented].” Nederlands Tijdschrift Voor Geneeskunde 157 (40): A6497. 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=cmedm&AN=25714762&authtype=sso&custid=ns315887.