TY - RPRT TI - Decrease in power output of new light-emitting diode (LED) curing devices with increasing distance to filling surface. AU - Gerrit R Meyer AU - Claus-Peter Ernst AU - Brita Willershausen PY - 2002 UR - https://pubmed.ncbi.nlm.nih.gov/12666755/ ID - 12666755 ER -