More answers to the still unresolved question of nitrate tolerance

Subaortic stenosis: still more questions than answers.

Hibernating myocardium: new answers, still more questions!

In the early 1980s, Rahimtoola 1 reviewed the results of coronary bypass surgery trials and identified patients with coronary artery disease and chronic left ventricular dysfunction that improved upon revascularization. He proposed the concept of hibernating myocardium as “prolonged ischemia. . . in which myocardial metabolism and ventricular function are reduced to match the reduced blood supp...

The multidrug transporter ABCG2: still more questions than answers

ABCG2 is one of at least three human ATP binding cassette (ABC) transporters which can facilitate the export from cells of a wide range of chemically unrelated drug molecules. This capacity for multidrug transport is not only a confounding factor in chemotherapy, but is also one of the more perplexing phenomena in transporter biochemistry. Since its discovery in the last decade of the 20th cent...

Central Nervous System Vasculitis: Still More Questions than Answers

The central nervous system (CNS) may be involved by a variety of inflammatory diseases of blood vessels. These include primary angiitis of the central nervous system (PACNS), a rare disorder specifically targeting the CNS vasculature, and the systemic vasculitides which may affect the CNS among other organs and systems. Both situations are severe and convey a guarded prognosis. PACNS usually pr...

Grau's Answers to Turfgrass Question

t AST month we talked shout training men and about the new Turfgrass Short Course at Penn State which is to be activated this fall. It seems important now to examine another phase ol leaching in the turfgrass field — that of extension service. In effect, it » the university extended to the field It is wholly tax supp o r t e d , operating statewide in countv units with administrative heads loca...