title: Alf Nachemson, MD, PhD, 1931-2006: an exceptional pioneer in spine care.
authors: Björn
authors: B
authors: Rydevik
authors: Tommy
authors: T
authors: Hansson
authors: Marek
authors: M
authors: Szpalski
authors: Max
authors: M
authors: Aebi
authors: Robert
authors: R
authors: Gunzburg
mesh_terms: D049673:History, 20th Century; D009985:Orthopedics / Q000266:history*; D013122:Spinal Diseases / Q000628:therapy*; D013548:Sweden