====== 1968 ======

[[1967]]-[[1969]]

[[Yasargil aneurysm clips]] were introduced in [[1968]].
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[[Periventricular-intraventricular hemorrhage]] was first discovered by Abraham Towbin in [[1968]]
((Towbin A. Cerebral intraventricular hemorrhage and subependymal matrix infarction in the fetus and premature newborn. Am J Pathol. 1968 Jan;52(1):121-40. PMID: 5634505; PMCID: PMC2013311.)).


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Lumbar [[juxtafacet cyst]] was first diagnosed clinically in [[1968]]
((Kao CC, Uihlein A, Bickel WH, Soule EH. Lumbar intraspinal extradural ganglion
cyst. J Neurosurg. 1968 Aug;29(2):168-72. PubMed PMID: 5673315.)).


Kao et al. later confirmed this in [[1974]]
((Kao CC, Winkler SS, Turner JH. Synovial cyst of spinal facet. Case report. J
Neurosurg. 1974 Sep;41(3):372-6. PubMed PMID: 4416019.
)).
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Wiltse et al. 
((Wiltse LL, Bateman JG, Hutchinson RH, et al. The paraspinal sacrospinalis-splitting approach to the lumbar spine. J Bone Joint Surg Am. 1968;50:919–26.))
described the “longitudinal separation of the [[sacrospinalis muscles]] from the multifidus and longissimus.