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- [35] Why do some firms spend so much on medical care? Accounting for variation FRONTIERS IN HEALTH POLICY RESEARCH 3, 2000, 3 : 1 - 32
- [38] Why do leprosy blotches appear so often in sclero-corneal limbus in obvious symmetrical locations in both eyes? ARCHIV FUR DERMATOLOGIE UND SYPHILIS, 1911, 106 : 81 - 84