id	domain	url
dentistry3000-826	doi.org	https://doi.org/10.1563/15481336-35.1.28
dentistry3000-826	doi.org	https://doi.org/10.4236/ojst.2012
dentistry3000-826	doi.org	https://doi.org/10.1016/00223913(76)90281-x
dentistry3000-826	doi.org	https://doi.org/10.1097/ta.0b013