https://molecularpain.biomedcentral.com/articles/10.1186/1744-8069-7-57 https://molecularpain.biomedcentral.com/articles/10.1186/1744-8069-7-61 https://molecularpain.biomedcentral.com/articles/10.1186/1744-8069-7-59 https://molecularpain.biomedcentral.com/articles/10.1186/1744-8069-7-60 https://molecularpain.biomedcentral.com/articles/10.1186/1744-8069-7-58 https://molecularpain.biomedcentral.com/articles/10.1186/1744-8069-7-63 https://molecularpain.biomedcentral.com/articles/10.1186/1744-8069-7-65 https://molecularpain.biomedcentral.com/articles/10.1186/1744-8069-7-56 https://molecularpain.biomedcentral.com/articles/10.1186/1744-8069-7-62 https://molecularpain.biomedcentral.com/articles/10.1186/1744-8069-7-64