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Abstract: The telecommunications industry faces fierce competition and rapid customer growth, but also a pressing challenge: customer churn. This phenomenon, where customers switch providers or stop ...

Download PDF More Formats on IMF eLibrary Order a Print Copy Create Citation This note describes how most features of an income tax system (and to some extent social security and welfare) can be ...

Background: Drug-induced Sweet’s syndrome (DISS), a rare but serious adverse drug reaction characterized by acute febrile neutrophilic dermatosis, remains difficult to identify due to its low ...

1 Department of Radiology, The Second Affiliated Hospital of Anhui Medical University, Hefei, China 2 Medical Imaging Research Center, Anhui Medical University, Hefei, China Objective: Despite the ...

Rates of syphilis, including congenital syphilis, have been rising worldwide. Syphilis is particularly difficult to diagnose given its non-specific symptoms and the inability to culture Treponema ...