Multiple Choice
What is the recommended SID for the superoinferior sitting tangential (Hobbs modification) method?
A) 30 inches (77 cm)
B) 40 inches (102 cm)
C) 48 to 50 inches (123 to 128 cm)
D) 72 inches (183 cm)
Correct Answer:

Verified
Correct Answer:
Verified
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