Economic aspects of multiple sclerosis—I: A method for classification of income of families of different sizes and compositions and its application in a longitudinal study of multiple sclerosis
- 31 December 1969
- journal article
- Published by Elsevier in Journal of Chronic Diseases
- Vol. 22 (6), 473-483
- https://doi.org/10.1016/0021-9681(69)90009-5