Margulis, A. V., Pladevall, M., Riera-Guardia, N., Varas-Lorenzo, C., Hazell, L., Berkman, N. D., . . . Perez-Gutthann, S. (2014). Quality assessment of observational studies in a drug-safety systematic review, comparison of two tools: The Newcastle–Ottawa Scale and the RTI item bank. Dove Medical Press.

Margulis, Andrea V., Manel Pladevall, Nuria Riera-Guardia, Cristina Varas-Lorenzo, Lorna Hazell, Nancy D. Berkman, Meera Viswanathan, e Susana Perez-Gutthann. Quality Assessment of Observational Studies in a Drug-safety Systematic Review, Comparison of Two Tools: The Newcastle–Ottawa Scale and the RTI Item Bank. Dove Medical Press, 2014.

Margulis, Andrea V., et al. Quality Assessment of Observational Studies in a Drug-safety Systematic Review, Comparison of Two Tools: The Newcastle–Ottawa Scale and the RTI Item Bank. Dove Medical Press, 2014.