Ahmed, H M A Anatomical challenges, electronic working length determination and current developments in root canal preparation of primary molar teeth. [electronic resource] - International endodontic journal Nov 2013 - 1011-22 p. digital Publication Type: Journal Article; Review ISSN: 1365-2591 Standard No.: 10.1111/iej.12134 doi Subjects--Topical Terms: HumansMolarRoot Canal PreparationTooth, Deciduous