Robertson, W D Positioning of patients after metrizamide lumbar myelography. [electronic resource] - AJR. American journal of roentgenology May 1980 - 947-8 p. digital Publication Type: Journal Article ISSN: 0361-803X Standard No.: 10.2214/ajr.134.5.947 doi Subjects--Topical Terms: FemaleHeadache--etiologyHumansMaleMetrizamide--adverse effectsMyelography--adverse effectsNausea--etiologyPostureProspective StudiesVomiting--etiology