Following are the Links to references which were used to obtain understanding of the domain before starting the project.
- https://sci-hub.tw/10.1109/IEMBS.1998.746929
- https://sci-hub.tw/10.1109/SECON.2018.8478891
- https://sci-hub.tw/10.1109/ACCESS.2017.2707384
- https://sci-hub.tw/10.1109/51.677170
- https://sci-hub.tw/10.1109/IEMBS.1999.803995
- https://www.ncbi.nlm.nih.gov/pubmed/17512510
- https://www.ncbi.nlm.nih.gov/pubmed/20587956
- https://sci-hub.tw/10.1109/SPICES.2015.7091562
- https://www.nature.com/articles/s41598-018-19340-y
- https://journals.sagepub.com/doi/full/10.1177/1932296816642251
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4588794/
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4899397/
- http://jammonline.com/en/articles/56910.html
- https://www.sciencedaily.com/releases/2018/07/180723142935.htm
- https://www.sciencedirect.com/science/article/pii/S2214180415000070
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4147805/
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6203925/
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5763852/
- http://www.jomfp.in/article.asp?issn=0973-029X;year=2017;volume=21;issue=3;spage=334;epage=339;aulast=Gupta
- https://apps.who.int/iris/bitstream/handle/10665/204871/9789241565257_eng.pdf;jsessionid=9BF15968C3F505A2D66A307BD9EBD684?sequence=1