hamad, hero, V. . Abdullah, F. Kamel, and N. Hassan. “Comparative Study of He – Ne and Green Lasers Effect on Normal Human Blood Invitro Using FTIR Techniques”. Polytechnic Journal, vol. 12, no. 1, Apr. 2023, pp. 89-97, doi:10.25156/ptj.v12n1y2022.pp89-97.