Mufti, S., Dadawala, S., Patel, P., Shah, M., & Dave, D. (1969). Comparative Evaluation of Platelet-Rich Fibrin with Connective Tissue Grafts in the Treatment of Miller’s Class I Gingival Recessions. Contemporary Clinical Dentistry, 8(4), 531-537. https://doi.org/10.4103/ccd.ccd_325_17 (Original work published 1969)