TY - RPRT TI - Aqueductal stenosis: evaluation with gradient-echo rapid MR imaging. AU - S W Atlas AU - A S Mark AU - E K Fram PY - 1988 DO - 10.1148/radiology.169.2.3174992 UR - https://pubmed.ncbi.nlm.nih.gov/3174992/ ID - 3174992 ER -