Journal of Children s Orthopaedics · 2012 · 48 citations · 7 references
It is difficult to reliably measure three-dimensional pelvic morphology on a frontal plane radiograph, especially when important pelvic landmarks have yet to ossify.
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Normal values of the hip joint for the evaluation of X-rays in children and adults.
Dietrich Tönnis · PubMed · 1976 · 408 citations