Hutubessy, R C Indirect costs of back pain in the Netherlands: a comparison of the human capital method with the friction cost method. [electronic resource] - Pain Mar 1999 - 201-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0304-3959 Standard No.: 10.1016/s0304-3959(98)00204-8 doi Subjects--Topical Terms: AdultBack Pain--economicsCost of IllnessCosts and Cost Analysis--methodsFemaleHumansMaleNetherlands