Authors: Paula Martin-Vaquero; Ronaldo C da Costa; Matthew J Allen; Sarah A Moore; Jeremy K Keirsey; Kari B Green Journal: Spine (Phila Pa 1976) Date: 2015-05-01 Impact factor: 3.468
Authors: U Frotscher; B Dominik; R Richter; B Zschaege; M Schulte-Lippern; G Jenett; W Messerschmidt; W Schmidtmann; R Wilbrandt Journal: Klin Wochenschr Date: 1973-08-15