Efficacy of spirulina in management of oral submucous fibrosis − a systematic review Rashmi Kulkarni, Ashita Kalaskar, Ritesh Kalaskar and Neha Gupta J Oral Med Oral Surg, 28 1 (2022) 8 Published online: 21 February 2022 DOI: 10.1051/mbcb/2021052