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However, what is unclear from these studies is whether elevated serum B12 is a cause of increased mortality and related morbidities (e.g., cardiovascular disease, cancer), a consequence of other conditions associated with increased mortality (e.g., hematological, liver or kidney disease), or simply coincidental to these conditions

B., Sandsdal, R

Serum B12 can also be determined using B12antibodies and B12 enzyme-linked immunosorbent assay (ELISA) kits

Our MRI protocol included three high-resolution FSE T2-weighted sequences (repetition time 4,0005000 ms, echo time 100 ms, matrix 256 512, 4 to 6 signals acquired, 3 mm section thickness, 1 mm spacing) in the three orthogonal spatial orientations (sagittal, coronal, and axial), STIR (short time inversion recovery) sequences in coronal and axial orientation, high-resolution FSE T1-weighted sequences in coronal and axial orientation, followed by a high-resolution axial FIESTA cine MRI sequence (fast imaging employing steady-state acquisition) at rest and during Valsalva maneuver to inguinal canal evaluation in static and dynamic conditions