цахилгаан давс чинжүү тээрэм нунтаглагч t7012 нунтаг каолин клинкерийг нунтаглана Minimally Invasive Neuroendoscopy: Johns Hopkins Neuroendoscopy is a minimallyinvasive surgical procedure in which the neurosurgeon removes the tumor through small holes (about the size of a dime) in the skull or through the mouth or nose.