title: The need for transparency in the treatment of spinal diseases.
authors.affiliation: Hospital Israelita Albert Einstein, São Paulo, SP, Brasil.
authors.forename: Paulo Marcelo
authors.initials: PM
authors.lastname: Zimmer
mesh_terms: D017046:Cost Savings; D005260:Female; D017048:Health Care Costs; D006782:Hospitals, Special / Q000191:economics*; D006801:Humans; D008297:Male; D013122:Spinal Diseases / Q000601:surgery*