TY - GEN AU - SPANGENBERG,H D AU - POOL,M L TI - Production of roentgenograms by x-ray radiations obtained from radioactive x-ray emitters SN - 0002-8177 PY - 2003///0501 KW - Radiography KW - Tooth KW - diagnostic imaging KW - X-Rays N1 - Publication Type: Journal Article UR - https://doi.org/10.14219/jada.archive.1953.0225 ER -