TY - GEN AU - DeMocker,J C AU - Graham,D TI - A technique for making teaching file films SN - 0278-4297 PY - 1986///1212 KW - Audiovisual Aids KW - Humans KW - Radiography KW - education KW - Teaching Materials KW - Ultrasonography N1 - Publication Type: Journal Article UR - https://doi.org/10.7863/jum.1986.5.10.601 ER -