Michael Willett

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Systemically administered fluorescein (F) is rapidly transformed to the fluorescent metabolite fluorescein glucuronide (FG). Little is known about how diseases can influence the synthesis or disposition of FG. We studied F and FG in the plasma ultrafiltrate of 75 people who were normal or had diabetes, retinitis pigmentosa, or idiopathic rhegmatogenous(More)
Classical cryptographic schemes which were in use prior to World War II are described and illustrated. Several factors are identified which have contributed to the marked difference between old and new cryptography, including: the computer, the need for cryptography in the public sector, advances in communications technology, and the need for(More)