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- [41] THE USE OF DIAGNOSTIC ULTRASOUND TO MEASURE THE LUMBAR SPINAL-CANAL BRITISH JOURNAL OF RADIOLOGY, 1981, 54 (641): : 430 - 430
- [42] RESULTS OF OPERATIVE TREATMENT FOR NARROWING OF THE LUMBAR SPINAL-CANAL ACTA ORTHOPAEDICA SCANDINAVICA, 1981, 52 (04): : 458 - 458
- [50] AN APPRAISAL OF THE USE OF DIAGNOSTIC ULTRASOUND TO QUANTIFY THE LUMBAR SPINAL-CANAL BRITISH JOURNAL OF RADIOLOGY, 1981, 54 (646): : 870 - 874