%0 Journal Article %B J Neurosurg %D 2009 %G eng %N 5 %P 820-7 %R 10.3171/2009.2.JNS081446 %T Impact of the Accreditation Council for Graduate Medical Education work-hour regulations on neurosurgical resident education and productivity. %V 110 %1 https://www.ncbi.nlm.nih.gov/pubmed/19409028 %8 05/2009