The kingdom of Denmark (excluding Greenland and the Faeroe isles) covers 43 080 square kilometres between 55 and 58 degrees north and 8 and 12.5 degrees east. The population on 1 January 1986 was 5.1 million. The medical care system is organized into a private sector of general practitioners and specialists under contract with the National Health Insurance, and a public sector operating hospita...

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SFI WORKING PAPER: 2001-12-080 SFI Working Papers contain accounts of scientific work of the author(s) and do not necessarily represent the views of the Santa Fe Institute. We accept papers intended for publication in peer-reviewed journals or proceedings volumes, but not papers that have already appeared in print. Except for papers by our external faculty, papers must be based on work done at ...

In a range proof, the prover convinces the verifier in zeroknowledge that he has encrypted or committed to a value a ∈ [0, H ] where H is a public constant. Most of the previous non-interactive range proofs have been proven secure in the random oracle model. We show that one of the few previous non-interactive range proofs in the common reference string (CRS) model, proposed by Yuen et al. in C...

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We present a new method to estimate the Hubble constant H0 from the measured time delays in quadruply imaged gravitational lens systems. We show how it is possible to get an estimate of H0 without the need to completely reconstruct the lensing potential thus avoiding any a priori hypothesis on the expression of the galaxy lens model. Our method only needs to assume that the lens potential may b...

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To study the effect of plasminogen activator inhibitors (PAl) on fibrinolysis it is essential to be able to specifically measure these proteins in plasma. To this end PAl-i was purified from cortisol-stimulated HT 1 080 fibrosarcoma cells and antisera raised in rabbits. The immunologic relationship of the purified inhibitor to PAl-i in plasma and platelet extracts was established by immunoblott...

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