SHUL'DIAKOV, A A [A method of measuring the strength of the spinal extensors]. [electronic resource] - Ortopediia travmatologiia i protezirovanie Sep 1961 - 52-4 p. digital Publication Type: Journal Article ISSN: 0030-5987 Subjects--Topical Terms: ChildHumansInfantMuscles--physiologySpinal FracturesSpine