TY - GEN AU - Sherk,Henry H TI - Professor Roentgen and his ray: the evolution of technology in medicine SN - 1947-3613 PY - 2012///0307 KW - Germany KW - History, 19th Century KW - Humans KW - Radiography KW - history KW - X-Rays N1 - Publication Type: Biography; Historical Article; Journal Article ER -