1.https://pubmed.ncbi.nlm.nih.gov/12684356/
2.https://pubmed.ncbi.nlm.nih.gov/25245026/
3.https://pmc.ncbi.nlm.nih.gov/articles/PMC5618737/
4.https://physoc.onlinelibrary.wiley.com/doi/10.1113/JP289038