Lumbar disc disease : a twenty-year clinical follow-up study / edited by Blaine S. Nashold, Jr. [and] Zdenek Hrubec.

Saint Louis : Mosby, 1971.

xiii, 139 pages : illustrations ; 27 cm

"A cooperative study of 17 Veterans Administration Hospitals and the Follow-up Agency, Division of Medical Sciences, National Research Council."

"The investigation was supported by the Veterans Administration contract number VAm-22734."