[On increasing the amplifying effect and resolution capacity of calcium-tungsten roentgen screens].
A M
AM
GURVICH
D002136:Calcium, Dietary; D004864:Equipment and Supplies; D011859:Radiography / Q000600:supply & distribution*; D012107:Research Design; D014414:Tungsten
D002136:Calcium, Dietary; D014414:Tungsten
RADIOGRAPHY/equipment and supplies