共 6 条
[1]
GRONDAHL HG, 1982, ORAL SURGERY ORAL ME
[2]
PHOTOGRAPHIC SUBTRACTION .1. THEORY OF SUBTRACTION IMAGE
[J].
ACTA RADIOLOGICA-DIAGNOSIS,
1975, 16 (06)
:559-&
[4]
RUTTIMANN UE, 1981, DIGITAL RADIOGRAPHY, V314, P372
[5]
VANDERSTELT PF, 1979, THESIS VRIJE U TE AM
[6]
WEBBER RL, 1982, PHYSICS ENG MED IMAG