Tatiparti, Padma, and Usha Kumari Chintalapati. “Smart Non-Invasive Hemoglobin Measurement Using Portable Embedded Technology”. International Journal of Online and Biomedical Engineering (iJOE) 16, no. 15 (December 15, 2020): pp. 106–120. Accessed January 20, 2022. https://online-journals.org/index.php/i-joe/article/view/18949.