«Effects of single and repeated applications of a eutectic mixture of local anaesthetics (EMLA) cream on spontaneous and evoked pain in post-herpetic neuralgia». Pain 81 (1-2): 203-9. doi : 10.1016/S0304-3959(99)00014-7 . PMID 10353509
«Comparison of dynamic (brush) and static (pressure) mechanical allodynia in migraine». Cephalalgia 26 (7): 852-6. doi : 10.1111/j.1468-2982.2006.01121.x . PMID 16776701 .