0003336 Abnormal enchondral ossification	0003366 Abnormality of the femoral neck or head region
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0009107 Abnormal ossification involving the femoral head and neck

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0006450 Multicentric ossification of proximal femoral epiphyses

0008797 Early ossification of capital femoral epiphyses

0008820 Absent ossification of capital femoral epiphysis

0008828 Delayed proximal femoral epiphyseal ossification

0008829 Delayed femoral head ossification

0008835 Multicentric femoral head ossification