https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-11-19
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-11-23
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-11-25
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-11-20
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-11-21
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-11-22
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-11-24