Yahya Malik, Zahid A Khan, Nasir Aziz.
Minimum and maximum Lumbar Interpedicular Distances (IPD) in normal adult Pakistanis an X-Ray study.
Pak Postgrad Med J Jan ;13(3):87-90.

Between Sept. 1996 to Apr. 2000, 654 AP x-rays of lumbar spines of both adult males and females were studied to find minimum, maximum, and average interpedicular distances in lumbar vertebrae. Ratio between interpedicular distance and transverse width of each lumbar vertebra was also calculated. Comparison had been made with a previous study and merits and demerits of various imaging modalities have also been discussed. Importance of IPD in diagnosing lumbar spinal stenosis has been emphasized.

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