Michael L. Steckman

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Seven cases of gastrointestinal bleeding originating from peripancreatic blood vessels seen between 1977 and 1982 are presented. The bleeding originated either from true aneurysms, formed when the pancreatic inflammatory processes weaken the walls of peripancreatic blood vessels, from pseudoaneurysms which occurred after vascular leakage into pancreatic(More)
The purpose of these experiments was to determine which exogenous energy sources are suitable for isolated follicle cell-free oocytes from the frog,Xenopus laevis. In order to compare prospective energy sources, follicle cell-free oocytes from 0.4 to 1.3 mm in diameter were incubated in a 1 mM concentration of each of a variety of energy sources and scored(More)
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