https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-10-21
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-10-18
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-10-22
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-10-19
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-10-23
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-10-20