https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-10-13
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-10-17
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-10-12
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-10-15
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-10-14
https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-10-16