@misc{indiciaea9d50f2353f9, title = {Electronic apex locators.}, author = {M P J Gordon and N P Chandler}, year = {2004}, doi = {10.1111/j.1365-2591.2004.00835.x}, url = {https://pubmed.ncbi.nlm.nih.gov/15189431/}, note = {Source identifier: 15189431} }