mrh.2011.0296 Auteur(s) : Mihai Nechifor mnechif@yahoo.com Department of pharmacology, Gr. T. Popa University of Medicine and Pharmacy, Iasi, Romania Correspondence. Mihai Nechifor, Department of Pharmacology, Gr. T. Popa University of Medicine and Pharmacy, Universitatii 16, Iasi 700115 Romania, Tel. 0040-232-220875, 0040-744-50-8642. The very interesting paper of Pickering et al. [1] raises the issue of the involvement of this cation in different types of pain. Pain is very [...]