Nayak, M. et al. 2019. Estimation and Evaulation of Collagen Fibres as Stromal Componment in Various Grades of Oral Squamous Cell Carcinoma Using Picrosirius Red Stain under Polarised Microscope. International Journal of Innovative Research in Medical Science. 4, 10 (Oct. 2019), 580 to 588. DOI:https://doi.org/10.23958/ijirms/vol04-i10/756.