The effect of intraspinal masses on flow in the epidural venous system.
D000818:Animals; D000882:Haplorhini; D008251:Macaca; D009192:Myelography; D010690:Phlebography; D013115:Spinal Canal; D013116:Spinal Cord / Q000098:blood supply*; D013118:Spinal Cord Diseases / Q000000981:diagnostic imaging*