| http://www.w3.org/ns/prov#value | - However, recent evaluations of trends in US populations, including an examination of a national administrative claims database, also have reported fairly flat rates (not declines) over time26,27 as has a recent evaluation of trends in this health plan.28 Monitoring these trends is important, but determining the association between chlamydia diagnosis trends and ectopic pregnancy trends is difficul
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