Sarzi- Puttini, P., F. Atzeni, L. Lanata, M. Bagnasco, M. Colombo, F. Fischer, and M. D’Imporzano. “Pain and Ketoprofen: What Is Its Role in Clinical Practice?”. Reumatismo, vol. 62, no. 3, Sept. 2010, pp. 172-88, doi:10.4081/reumatismo.2010.172.