[Comparison of standard and asymmetric screen-film systems in thoracic radiography].
Levitska
G
G
Popsavov
P
P
Buchakliev
Z
Z
Rizov
A
A
Baburov
S
S
Ivanova
K
K
Pomakov
P
P
D006801:Humans; D013902:Radiography, Thoracic / Q000295:instrumentation*; D014963:X-Ray Intensifying Screens