APA

Groenwold R. H. H., de Vries F., de Boer A., Pestman W. R., Rutten F. H., Hoes A. W. & Klungel O. H. (20120813). Balance measures for propensity score methods: a clinical example on beta-agonist use and the risk of myocardial infarction. : Pharmacoepidemiology and drug safety.

Chicago

Groenwold Rolf H H, de Vries Frank, de Boer Anthonius, Pestman Wiebe R, Rutten Frans H, Hoes Arno W and Klungel Olaf H. 20120813. Balance measures for propensity score methods: a clinical example on beta-agonist use and the risk of myocardial infarction. : Pharmacoepidemiology and drug safety.

Harvard

Groenwold R. H. H., de Vries F., de Boer A., Pestman W. R., Rutten F. H., Hoes A. W. and Klungel O. H. (20120813). Balance measures for propensity score methods: a clinical example on beta-agonist use and the risk of myocardial infarction. : Pharmacoepidemiology and drug safety.

MLA

Groenwold Rolf H H, de Vries Frank, de Boer Anthonius, Pestman Wiebe R, Rutten Frans H, Hoes Arno W and Klungel Olaf H. Balance measures for propensity score methods: a clinical example on beta-agonist use and the risk of myocardial infarction. : Pharmacoepidemiology and drug safety. 20120813.