TY - GEN AU - Jennings, W H AU - Losee, F L C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1958-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.6317 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1958 TI - Microstructure of the human tooth::the primary caries lesion, progress report ER -