Author: Ralph I. Horwitz
Publications
Publication period start: 2000
Number of co-authors: 2
Co-authors
Number of
publications with favourite co-authors
Productive Colleagues
Most productive
colleagues in number of publications
Publications
Concato, John, Shah, Nirav, Horwitz, Ralph I. (2000): Randomized, Controlled Trials, Observational Studies, and the Hierarchy of Research Design. In New England Journal of Medicine, 342 (25) pp. 1887-1892. https://www.nejm.org/doi/full/10.1056/NEJM200006223422507