https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-9-43
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-9-45
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-9-46
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-9-48
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-9-47
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-9-49
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-9-42
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-9-44