Ribeiro, MHoward, PWillinsky, RABrugge, KCosta, L2012-07-132012-07-132010Can J Neurol Sci. 2010;37(2):286-8.http://hdl.handle.net/10400.23/299engHematomaHemorragia SubaracnóideiaTomografia ComputorizadaSubarachnoid hemorrhage in perivascular spaces mimicking brainstem hematomajournal article