Spinal Ankylosis in Old Rhesus Monkeys

Abstract

From the Laboratory of Experimental Pathology, National Institute of Arthritis and Metabolic Diseases, and Laboratory of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, Md. * Chief, Section on Rheumatic Diseases, Laboratory of Experimental Pathology, National Institute of Arthritis and Metabolic Diseases, National Institutes of Health, Bethesda, Md. 20014.