Results 261 to 270 of about 954,644 (280)

How much should we trust staggered difference-in-differences estimates?

Journal of Financial Economics, 2022
exaly  

Difference Operator

1954
openaire   +1 more source

Increased Bioelectric Potential Difference across Respiratory Epithelia in Cystic Fibrosis

New England Journal of Medicine, 1981
Michael Knowles, Richard Boucher
exaly  

Difference between Endothelium-Dependent Relaxation in Arterial and in Venous Coronary Bypass Grafts

New England Journal of Medicine, 1988
Thomas F Lüscher
exaly  

Difference in countries' use of resources and clinical outcome for patients with cardiogenic shock after myocardial infarction: results from the GUSTO trial

Lancet, The, 1997
Peter B Berger, Eric J Topol
exaly  

Difference-in-differences with variation in treatment timing

Journal of Econometrics, 2021
exaly  

Recruitment to breast cancer clinical trials: What makes a difference?

Ca-A Cancer Journal for Clinicians, 2009
exaly  

Difference in prevalence of congenital cryptorchidism in infants between two Nordic countries

Lancet, The, 2004
exaly  

Using the Standardized Difference to Compare the Prevalence of a Binary Variable Between Two Groups in Observational Research

Communications in Statistics Part B: Simulation and Computation, 2009
Peter Austin
exaly  

Meta-analysis of the literature or of individual patient data: is there a difference?

Lancet, The, 1993
exaly