TY  - RPRT
TI  - Economic evaluations and randomized trials in spinal disorders: principles and methods.
AU  - Ingeborg Korthals-de Bos
AU  - Maurits van Tulder
AU  - Hiske van Dieten
AU  - Lex Bouter
PY  - 2004
DO  - 10.1097/01.brs.0000102683.61791.80
UR  - https://pubmed.ncbi.nlm.nih.gov/15094541/
ID  - 15094541
ER  -