Peters, M., Perera, S., Loder, E., Jenkinson, C., Gil Gouveia, R., Jensen, R., . . . Steiner, T. J. (2012). Quality in the provision of headache care. 1: Systematic review of the literature and commentary. Springer Milan.

Peters, Michele, Suraj Perera, Elizabeth Loder, Crispin Jenkinson, Raquel Gil Gouveia, Rigmor Jensen, Zaza Katsarava, och Timothy J. Steiner. Quality in the Provision of Headache Care. 1: Systematic Review of the Literature and Commentary. Springer Milan, 2012.

Peters, Michele, et al. Quality in the Provision of Headache Care. 1: Systematic Review of the Literature and Commentary. Springer Milan, 2012.