Spinal Cord · 2011 · 199 citations · 9 references
MedicineNeurologyOrthopedic SurgeryInjury SurveillanceOrthopedicsSpine SurgerySpinal Cord DisordersSpinal Cord InjurySpinal Cord PathologySpinal DisordersSpinal TraumaSpine DisordersPatient Registry RecruitmentSpinal Cord Injury EpidemiologyTraumatic Spinal Cord Injury
9
Why we need observational studies to evaluate the effectiveness of health care
BMJ · 1996 · 1.6K citations
American Spinal Injury Association 1989
The Journal of The American Paraplegia Society · 1990 · 418 citations