Yadav, Hemant Kumar Efficacy of etidronic acid, BioPure MTAD and SmearClear in removing calcium ions from the root canal: An in vitro study. [electronic resource] - European journal of dentistry - 523-528 p. digital Publication Type: Journal Article ISSN: 1305-7456 Standard No.: 10.4103/1305-7456.172613 doi