[No conclusions can be drawn when the material is too small].
Bodin
L
L
D001416:Back Pain / Q000601:surgery*; D002986:Clinical Trials as Topic; D006801:Humans; D009985:Orthopedics / Q000592:standards / Q000706:statistics & numerical data; D013503:Surgery Department, Hospital / Q000592:standards* / Q000706:statistics & numerical data
Inga slutsatser kan dras i mycket för litet material.