Negro, A., Sciattella, P., Spuntarelli, V., Martelletti, P., & Mennini, F. S. (2020). Direct and indirect costs of cluster headache: A prospective analysis in a tertiary level headache centre. J Headache Pain.

Negro, Andrea, Paolo Sciattella, Valerio Spuntarelli, Paolo Martelletti, und Francesco Saverio Mennini. "Direct and Indirect Costs of Cluster Headache: A Prospective Analysis in a Tertiary Level Headache Centre." J Headache Pain 2020.

Negro, Andrea, et al. "Direct and Indirect Costs of Cluster Headache: A Prospective Analysis in a Tertiary Level Headache Centre." J Headache Pain 2020.