Which rays are used to diagnose cancer of esophagus? |
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(a) |
Laser |
(b) |
Cathode |
(c) |
X-ray |
(d) |
Which rays are used to diagnose cancer of esophagus? |
|||||||
(a) |
Laser |
(b) |
Cathode |
(c) |
X-ray |
(d) |