materials exhibit significant creep behavior at temperatures above 40% of their absolute melt temperature. lead, tin and their alloys are such materials which experience significant creep behavior in room temperature. one of the most important applications of the tin-lead alloys is soldering electronic circuits in electronic industry, and for lead are isolation walls and wet batteries. room tem...

Case management has evolved from a grassroots method to assist patients and facilities to navigate changes in the healthcare system, to a fully fledged profession with core competencies, Standards of Practice, and an evidence-based peer review journal. With the latest healthcare reform, it is clear that case management leads to many initiatives: it is our time to lead.

In this issue of the Journal, Etzioni et al. (1) suggest a novel approach to estimating overdiagnosis in breast cancer. However, there is a key assumption in their method regarding the nature of overdiagnosis that is unlikely to hold and leads to an underestimate of the overdiagnosis rate. To understand this assumption, we need to go back to basic definitions. Lead time is the time from detecti...

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