>>14092520
>>14092520
https://pubmed.ncbi.nlm.nih.gov/27012122/
https://pubmed.ncbi.nlm.nih.gov/30305830/
https://pubmed.ncbi.nlm.nih.gov/17996303/
https://pubmed.ncbi.nlm.nih.gov/15788236/
https://pubmed.ncbi.nlm.nih.gov/18979312/
https://www.law.cornell.edu/cfr/text/47/15.3
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2890134/
https://pubmed.ncbi.nlm.nih.gov/24715289/
This is how I research.